UPSC CURRENT AFFAIRS – 12 August 2025
Kartavya Desk Staff
UPSC CURRENT AFFAIRS – 12 August 2025 covers important current affairs of the day, their backward linkages, their relevance for Prelims exam and MCQs on main articles
InstaLinks : Insta Links help you think beyond the current affairs issue and help you think multidimensionally to develop depth in your understanding of these issues. These linkages provided in this ‘hint’ format help you frame possible questions in your mind that might arise(or an examiner might imagine) from each current event. InstaLinks also connect every issue to their static or theoretical background.
Table of Contents
GS Paper 2 : (UPSC CURRENT AFFAIRS – 11 August (2025)
• Digital Push in Education: Access, Equity, and Empathy at the Crossroads
Digital Push in Education: Access, Equity, and Empathy at the Crossroads
GS Paper 4:
• SC Orders Removal of Free-Ranging Dogs from Delhi-NCR Localities
SC Orders Removal of Free-Ranging Dogs from Delhi-NCR Localities
Content for Mains Enrichment (CME):
• Jal Jeevan Mission (JJM) – Tap Water Coverage
Jal Jeevan Mission (JJM) – Tap Water Coverage
• Nüshu Script Conservation
Nüshu Script Conservation
Facts for Prelims (FFP):
• Revised Income Tax Bill, 2025
Revised Income Tax Bill, 2025
• Operation Falcon
Operation Falcon
• National Anubhav Awards
National Anubhav Awards
• Ladakh Statehood & Sixth Schedule
Ladakh Statehood & Sixth Schedule
• Envelope Dimer Epitope (EDE)
Envelope Dimer Epitope (EDE)
• World Elephant Day 2025
World Elephant Day 2025
Mapping:
• Dardanelles Strait
Dardanelles Strait
UPSC CURRENT AFFAIRS – 12 August 2025
#### GS Paper 2:
Digital Push in Education: Access, Equity, and Empathy at the Crossroads
Syllabus: Education
Source: IE
Context: Recent reports have highlighted the increased integration of AI and digital devices in classrooms — including rural anganwadis — and the digitisation of administrative processes such as pension disbursement for army veterans.
About Digital Push in Education: Access, Equity, and Empathy at the Crossroads:
Background:
• Digital Transformation in Education: NEP 2020 envisions technology-enabled learning through platforms like DIKSHA, SWAYAM, and AI-based tools.
• AI in Early Learning: Experiments in rural preschools introduce interactive boards and VR devices to children under three years.
• Digitisation in Administration: Initiatives like SPARSH for defence pensions and centralised admission portals for higher education aim for streamlined processes.
• While these are steps towards a “Digital India”, they raise concerns over equity, pedagogical soundness, and empathy in service delivery.
Opportunities of Digital Integration:
• Bridging Geographic Barriers: Students in remote areas can access quality lectures, resources, and interactive content without relocation.
• Transparency in Processes: Centralised portals for admissions and pensions reduce discretion, enhancing accountability.
• Alignment with Future Skills: Digital exposure prepares students for a technology-driven job market and higher education requirements.
• Faster Administrative Services: Automation reduces delays in pension disbursal, admissions, and certification processes.
• Scalable Solutions: Once developed, digital platforms can serve millions without proportionate increases in cost.
Challenges and Cracks Emerging:
• Digital Divide: Unequal access to devices and internet services excludes rural and economically weaker students.
• Pedagogical Disconnect: AI and VR may replace hands-on, sensory learning in early education, affecting cognitive development.
• Loss of Teacher–Student Bond: Over-reliance on screens can erode the relational trust and empathy crucial for early learning.
• Administrative Complexity: Veterans and first-generation learners often struggle to navigate complex portals and data entry requirements.
• Psychological Fatigue: Prolonged digital exposure may cause stress, reduced attention span, and disengagement in learners.
Ethical and Governance Dimensions:
• Equity in Education: Policies must ensure that tech adoption does not deepen socio-economic disparities.
• Teacher Autonomy: Excessive standardisation can undermine educators’ freedom to adapt teaching methods to student needs.
• Right to Holistic Learning: Article 21A implies access to not just digital content but also emotional and social learning experiences.
• Empathy in Governance: Digital governance must consider human support mechanisms for those struggling with technology.
• Informed Consent and Data Privacy: Collecting student data through ed-tech tools must respect privacy norms and informed consent.
Way Forward:
• Hybrid Model of Learning: Blend digital tools with traditional teaching to retain relational learning while enhancing access.
• Strengthen Digital Infrastructure: Expand broadband connectivity and device access in rural and underserved areas.
• Teacher Training: Provide structured training for educators to integrate technology without losing pedagogical depth.
• Simplified Digital Interfaces: Design user-friendly portals with multilingual support and offline help desks.
• Regular Impact Audits: Monitor and evaluate the effects of digital adoption on learning outcomes and inclusivity.
Conclusion:
A balanced digital transformation must preserve the human touch in education while enhancing reach and efficiency. In India’s diverse socio-economic context, inclusion and empathy must be the guiding principles of all tech-driven reforms.
#### UPSC CURRENT AFFAIRS – 12 August 2025 GS Paper 4:
SC Orders Removal of Free-Ranging Dogs from Delhi-NCR Localities
Syllabus: Appiled Ethics
Source: LL
Context: The Supreme Court of India, directed immediate removal of all free-ranging dogs from Delhi, Noida, Gurugram, and Ghaziabad.
• The apex court ordered their permanent relocation to shelters to curb rabies cases and dog-bite incidents, prioritising safety of children and vulnerable citizens.
About SC Orders Removal of Free-Ranging Dogs from Delhi-NCR Localities:
SC Order on Stray Dogs:
• Complete Removal: Authorities must capture all stray dogs in Delhi, Noida, Gurugram, and Ghaziabad, ensuring none are left roaming in public areas. This is aimed at creating stray-free streets in both core and peripheral urban zones.
• No Release Policy: Captured dogs will be kept in shelters permanently, ending the earlier practice under ABC rules of releasing them back into their original localities. This intends to permanently break the cycle of repeated attacks.
• Shelter Expansion: The SC mandated building facilities with capacity for 5,000 dogs within eight weeks, starting with the most vulnerable localities. This ensures adequate housing and avoids overcrowding of captured animals.
• Rapid Response Helpline: A 24×7 helpline must be set up so that any reported dog bite case is acted upon within four hours. This provides immediate intervention to protect public health and safety.
• Strict Compliance: Any person or organisation obstructing the removal process will face contempt of court. This gives the order enforceability and deters interference from interest groups.
Rationale Behind the Order:
• Public Safety Priority: Rabies kills around 5,700 people annually in India, with over 95% of cases linked to dog bites. The order is meant to directly reduce this preventable mortality.
• Child Protection: Children under 14 and the elderly over 60 face higher attack risks due to limited defence capacity. The court prioritised their safety as a moral and legal obligation.
• Policy Ineffectiveness: The Animal Birth Control model focuses on sterilisation but doesn’t stop already aggressive or rabies-carrying dogs from harming people. Hence, immediate removal was deemed necessary.
• Right to Safe Mobility: Article 21 of the Constitution guarantees citizens the right to life and personal liberty. Stray attacks violate this right by creating fear in public spaces.
• Permanent Structural Reform: The court’s directive shifts from temporary containment to permanent removal from public areas. This aims to create a long-term, sustainable solution rather than periodic crackdowns.
Arguments in Favour:
• Life-Saving Measure: Upholds the ethical principle of beneficence by preventing avoidable rabies deaths, fulfilling the State’s moral duty of care to its citizens.
• Safer Public Spaces: Reinforces the right to security under Article 21, fostering public trust and enabling citizens to exercise their freedom of movement without fear.
• Accountability System: Use of CCTV and records reflects transparency and procedural fairness, key pillars of good governance ethics.
• Closing Loopholes: Eliminates the ABC return-to-locality gap, embodying the principle of consequentialism by focusing on effective outcomes rather than procedural symbolism.
• Urban Governance Boost: Aligns with public health ethics and the common good approach, integrating safety and sanitation into urban policy priorities.
Arguments Against:
• Possible Law Conflict: Risks violating the rule of law and legal certainty by potentially conflicting with existing ABC Rules under the Prevention of Cruelty to Animals Act.
• Shelter Overcrowding Risk: May compromise animal welfare ethics if infrastructure lags, leading to inhumane living conditions and moral negligence.
• Animal Welfare Concerns: Could be perceived as infringing on the intrinsic rights of animals, raising questions under environmental and compassion ethics.
• Ecological Impact: Sudden removal might breach the principle of ecological balance, as strays contribute to rodent control and waste reduction.
• Risk of Abuse: Without robust oversight, this policy risks moral hazard, enabling covert culling or cruelty under the guise of enforcement.
Way Ahead:
• Humane Shelters: Design with adequate space, nutrition, and medical care to respect the dignity of sentient beings in line with animal ethics.
• Mass Vaccination: Implement large-scale drives as part of the preventive ethics approach to eliminate rabies without mass displacement alone.
• Controlled Adoption: Encourage adoption with strict vetting to balance compassion ethics with responsible stewardship.
• Policy Reform: Amend ABC Rules to align with SC directions, ensuring coherence between legal mandates and ethical imperatives.
• Awareness Drives: Promote community understanding of rabies prevention, invoking civic responsibility and the ethics of care.
Conclusion:
The Supreme Court’s order shifts urban governance towards prevention, prioritising safety while balancing public health with humane animal care. Success depends on legal clarity, strong infrastructure, and public engagement.
#### UPSC CURRENT AFFAIRS – 12 August 2025 Content for Mains Enrichment (CME)
Jal Jeevan Mission (JJM) – Tap Water Coverage
Context: Rural tap water coverage under the Jal Jeevan Mission (JJM) has reached 81%, up from 17% in 2019, benefitting over 15.68 crore households.
About Jal Jeevan Mission (JJM) – Tap Water Coverage:
• What it is?
• Launched in August 2019 to provide functional household tap connections (FHTCs) to all rural households. Focuses on safe, adequate, and regular potable water supply to every home.
• Launched in August 2019 to provide functional household tap connections (FHTCs) to all rural households.
• Focuses on safe, adequate, and regular potable water supply to every home.
• Trends:
• 2019: 17% coverage (3.23 crore households). 2025: 81% coverage (15.68 crore households). Uses Aadhaar-linked monitoring, geo-tagged assets, IoT-based sensors, and third-party inspections for transparency.
• 2019: 17% coverage (3.23 crore households).
• 2025: 81% coverage (15.68 crore households).
• Uses Aadhaar-linked monitoring, geo-tagged assets, IoT-based sensors, and third-party inspections for transparency.
• Significance:
• Public Health: Reduces waterborne diseases by ensuring safe drinking water. Gender Equality: Saves time for women and girls, enabling better education and livelihood opportunities. Rural Development: Enhances quality of life, reduces drudgery, and boosts rural productivity. Sustainability: Integrates with groundwater recharge measures like Atal Bhujal Yojana.
• Public Health: Reduces waterborne diseases by ensuring safe drinking water.
• Gender Equality: Saves time for women and girls, enabling better education and livelihood opportunities.
• Rural Development: Enhances quality of life, reduces drudgery, and boosts rural productivity.
• Sustainability: Integrates with groundwater recharge measures like Atal Bhujal Yojana.
Relevance in UPSC Exam Syllabus
• GS-II (Governance, Welfare Schemes): Implementation of government programmes, Centre–State coordination.
• GS-III (Environment, Agriculture, Resources): Water resource management, groundwater sustainability, public health linkages.
• Essay & Ethics: Sustainable development, social justice, participatory governance.
Nüshu Script Conservation
Context: Nüshu, a 400-year-old “women’s script” from Jiangyong, Hunan province, is witnessing a revival among Gen Z Chinese women, who see it as a cultural symbol of sisterhood and empowerment.
About Nüshu Script Conservation:
What it is?
• Nüshu is a 17th-century phonetic script created by women in Jiangyong, China, as a private communication system when they were excluded from formal education.
• It uses slender, curved, leaf-shaped characters tied to the local dialect.
• Traditionally passed between women through letters, songs, and embroidery, it symbolises resilience and sisterhood.
Role of Technology in Conservation:
• Digital Archiving: High-resolution scans, cloud storage, and Unicode integration preserve and standardise Nüshu globally.
• AI & Translation Tools: Machine learning enables decoding, translation, and online learning of the script.
• Virtual Outreach: Social media, e-courses, and AR/VR exhibitions make Nüshu accessible to a global audience.
Implications:
• Cultural Preservation: Ensures long-term safeguarding of an endangered intangible heritage.
• Community Empowerment: Creates livelihood opportunities for women through digital art, tourism, and global cultural exchange.
Relevance in UPSC Exam Syllabus:
• GS-I (Indian Heritage & Culture): Case study on preservation of intangible cultural heritage; parallels with Indian women’s folk art traditions like Mithila painting or embroidery scripts.
• GS-II (Governance & Social Justice): Gender empowerment through cultural revival; role of state and community in preserving marginalised histories.
• GS-III (Science & Technology): Digital archiving and AI translation tools in safeguarding endangered scripts.
#### UPSC CURRENT AFFAIRS – 12 August 2025 Facts for Prelims (FFP):
Revised Income Tax Bill, 2025
Source: FE
Context: Finance Minister has tabled the revised Income Tax Bill, 2025 in the Lok Sabha, incorporating most of the 566 recommendations made by the Parliamentary Select Committee.
About Revised Income Tax Bill, 2025:
• What it is? A new legislation to consolidate, streamline, and modernise India’s direct tax framework, replacing the six-decade-old Income Tax Act, 1961.
• A new legislation to consolidate, streamline, and modernise India’s direct tax framework, replacing the six-decade-old Income Tax Act, 1961.
• Simplify compliance by removing outdated provisions and improving drafting clarity. Enhance transparency in tax administration. Incorporate stakeholder inputs for fairer tax practices. Facilitate ease of doing business through clear, consistent, and modern legal language.
• Simplify compliance by removing outdated provisions and improving drafting clarity.
• Enhance transparency in tax administration.
• Incorporate stakeholder inputs for fairer tax practices.
• Facilitate ease of doing business through clear, consistent, and modern legal language.
• Key Features of the Revised Bill:
• Single ‘Tax Year’ Concept: Replaces “Previous Year” and “Assessment Year” with a uniform term to simplify understanding and compliance. Simplified Refund Provisions: Refunds allowed even if ITR is filed after the due date, reducing taxpayer grievances. Corporate & MSME Relief: Rs 80M deduction for inter-corporate dividends restored and MSME definition aligned with MSME Act for uniformity. Rationalised Property Taxation: Notional rent on vacant property removed; clear deductions for municipal tax and interest on rented property. Compliance & Governance Reform: Unnecessary provisions removed, CBDT empowered for digital-era rule-making and NIL-TDS option for zero-liability taxpayers. Charitable Trust & LLP Relief: Relaxation in transfer pricing rules and removal of Alternate Minimum Tax on LLPs. Enhanced Digital Alignment: Structured section numbering, improved terminology, and cross-referencing for easier navigation and reduced ambiguity.
• Single ‘Tax Year’ Concept: Replaces “Previous Year” and “Assessment Year” with a uniform term to simplify understanding and compliance.
• Simplified Refund Provisions: Refunds allowed even if ITR is filed after the due date, reducing taxpayer grievances.
• Corporate & MSME Relief: Rs 80M deduction for inter-corporate dividends restored and MSME definition aligned with MSME Act for uniformity.
• Rationalised Property Taxation: Notional rent on vacant property removed; clear deductions for municipal tax and interest on rented property.
• Compliance & Governance Reform: Unnecessary provisions removed, CBDT empowered for digital-era rule-making and NIL-TDS option for zero-liability taxpayers.
• Charitable Trust & LLP Relief: Relaxation in transfer pricing rules and removal of Alternate Minimum Tax on LLPs.
• Enhanced Digital Alignment: Structured section numbering, improved terminology, and cross-referencing for easier navigation and reduced ambiguity.
Operation Falcon
Source: NIE
Context: The Assam government’s Operation Falcon has successfully arrested 42 rhino poachers, dismantled six major poaching gangs, and foiled nine poaching attempts, ensuring zero rhino killings in the state so far in 2025.
About Operation Falcon:
• What it is? A joint anti-poaching initiative launched in 2024 by the Assam Police and Assam Forest Department to eliminate rhino poaching networks and curb illegal wildlife trade.
• A joint anti-poaching initiative launched in 2024 by the Assam Police and Assam Forest Department to eliminate rhino poaching networks and curb illegal wildlife trade.
• Organisations Involved:
• Assam Police – Law enforcement, intelligence gathering, and operations. Assam Forest Department – Habitat monitoring, patrolling, and wildlife protection.
• Assam Police – Law enforcement, intelligence gathering, and operations.
• Assam Forest Department – Habitat monitoring, patrolling, and wildlife protection.
• Key Features:
• Integrated Intelligence Operations: Combines digital tracking and on-ground surveillance to locate and apprehend poachers swiftly. Rapid Response & Coordination: High-speed deployment teams ensured nine foiled poaching attempts in multiple districts. Positive Conservation Impact: Zero rhino killings reported in 2025 and poaching down by 86% since 2016, boosting Assam’s wildlife conservation record.
• Integrated Intelligence Operations: Combines digital tracking and on-ground surveillance to locate and apprehend poachers swiftly.
• Rapid Response & Coordination: High-speed deployment teams ensured nine foiled poaching attempts in multiple districts.
• Positive Conservation Impact: Zero rhino killings reported in 2025 and poaching down by 86% since 2016, boosting Assam’s wildlife conservation record.
• Significance:
• Biodiversity Conservation: Protects the greater one-horned rhinoceros—an endangered species. Global Image: Strengthens India’s standing in international wildlife protection efforts. Eco-Tourism Boost: Ensures safety in national parks like Kaziranga, attracting global visitors.
• Biodiversity Conservation: Protects the greater one-horned rhinoceros—an endangered species.
• Global Image: Strengthens India’s standing in international wildlife protection efforts.
• Eco-Tourism Boost: Ensures safety in national parks like Kaziranga, attracting global visitors.
National Anubhav Awards
Source: PIB
Context: The National Anubhav Awards 2025 will be held on 18 August 2025 at Vigyan Bhawan, New Delhi, marking the 10th anniversary of the awards.
About National Anubhav Awards:
• What is it? The National Anubhav Awards are annual honours recognizing outstanding memoirs by retiring or recently retired Central Government employees, highlighting their experiences and contributions to
• The National Anubhav Awards are annual honours recognizing outstanding memoirs by retiring or recently retired Central Government employees, highlighting their experiences and contributions to
• Awarded by:
• Department of Pension & Pensioners’ Welfare (DoPPW), Ministry of Personnel, Public Grievances and Pensions, Government of India.
• Department of Pension & Pensioners’ Welfare (DoPPW), Ministry of Personnel, Public Grievances and Pensions, Government of India.
• Launched in:
• 2015, as envisioned by the Prime Minister, Shri Narendra Modi. Part of the Anubhav Portal initiative to document institutional memory through personal narratives.
• 2015, as envisioned by the Prime Minister, Shri Narendra Modi.
• Part of the Anubhav Portal initiative to document institutional memory through personal narratives.
• Preserve institutional memory for better governance. Encourage knowledge-sharing and replication of good practices. Recognize valuable feedback, innovation, and service excellence.
• Preserve institutional memory for better governance.
• Encourage knowledge-sharing and replication of good practices.
• Recognize valuable feedback, innovation, and service excellence.
• Eligibility:
• Central Government employees, employees of Central Public Sector Undertakings (CPSUs), and Public Sector Banks. Must be retiring within 8 months or retired within the last 3 years. Write-ups must be published on the Anubhav Portal between 1 April 2024 and 31 March 2025.
• Central Government employees, employees of Central Public Sector Undertakings (CPSUs), and Public Sector Banks.
• Must be retiring within 8 months or retired within the last 3 years.
• Write-ups must be published on the Anubhav Portal between 1 April 2024 and 31 March 2025.
• Features
• Categories covered: Accounts, administration, governance reforms, IT, research, procedural simplification, public dealing, valor, feedback, and more. Awards structure: 5 Best Write-ups + 10 Jury Certificates for other exceptional submissions. Diversity: One-third of awardees in 2025 are women. Recognition expansion: Includes employees from PSBs and CPSUs since 2024. Assessment: Objective marking system introduced for transparency. Capacity building: “Anubhav Awardees’ Speak” webinar series for sharing experiences with soon-to-retire employees.
• Categories covered: Accounts, administration, governance reforms, IT, research, procedural simplification, public dealing, valor, feedback, and more.
• Awards structure: 5 Best Write-ups + 10 Jury Certificates for other exceptional submissions.
• Diversity: One-third of awardees in 2025 are women.
• Recognition expansion: Includes employees from PSBs and CPSUs since 2024.
• Assessment: Objective marking system introduced for transparency.
• Capacity building: “Anubhav Awardees’ Speak” webinar series for sharing experiences with soon-to-retire employees.
Ladakh Statehood & Sixth Schedule
Source: TOI
Context: A massive protest was held in Kargil, Ladakh, led by climate activist Sonam Wangchuk, demanding statehood for Ladakh and its inclusion under the Sixth Schedule of the Constitution.
About Ladakh Statehood & Sixth Schedule:
• Ladakh Statehood:
• After the abrogation of Article 370 and bifurcation of Jammu & Kashmir on 5 August 2019, Ladakh became a Union Territory without a legislature. Demand: Full statehood to provide a democratically elected legislature and greater legislative autonomy. Rationale: To ensure local representation, control over resources, and safeguard cultural & environmental heritage.
• After the abrogation of Article 370 and bifurcation of Jammu & Kashmir on 5 August 2019, Ladakh became a Union Territory without a legislature.
• Demand: Full statehood to provide a democratically elected legislature and greater legislative autonomy.
• Rationale: To ensure local representation, control over resources, and safeguard cultural & environmental heritage.
• Sixth Schedule:
• Constitutional Basis: Provided under Articles 244(2) and 275(1). Applicability: Currently applies to certain tribal areas of Assam, Meghalaya, Tripura, and Mizoram. Purpose: To protect the rights, culture, and land of tribal communities by granting them autonomy through Autonomous District and Regional Councils.
• Constitutional Basis: Provided under Articles 244(2) and 275(1).
• Applicability: Currently applies to certain tribal areas of Assam, Meghalaya, Tripura, and Mizoram.
• Purpose: To protect the rights, culture, and land of tribal communities by granting them autonomy through Autonomous District and Regional Councils.
• Aims of the Sixth Schedule:
• Preserve tribal identity, culture, and traditions. Provide self-governance in certain legislative and administrative matters. Protect land and resource rights of tribal communities.
• Preserve tribal identity, culture, and traditions.
• Provide self-governance in certain legislative and administrative matters.
• Protect land and resource rights of tribal communities.
• Key Features:
• Autonomous Councils: Elected bodies with legislative, judicial, and executive powers in specified subjects (e.g., land, forests, agriculture, village administration). Governor’s Role: Power to include/exclude areas, alter boundaries, and approve council laws. Legislative Powers: Councils can make laws on land use, forests, water, agriculture, public health, social customs, and village administration. Judicial Powers: Village councils/courts for disputes within tribal communities. Revenue & Taxation: Power to levy taxes on land, trade, professions, and markets. Financial Provisions: Grants from the Consolidated Fund of India under Article 275(1). Cultural Protection: Safeguards against alienation of tribal land and exploitation by non-tribals.
• Autonomous Councils: Elected bodies with legislative, judicial, and executive powers in specified subjects (e.g., land, forests, agriculture, village administration).
• Governor’s Role: Power to include/exclude areas, alter boundaries, and approve council laws.
• Legislative Powers: Councils can make laws on land use, forests, water, agriculture, public health, social customs, and village administration.
• Judicial Powers: Village councils/courts for disputes within tribal communities.
• Revenue & Taxation: Power to levy taxes on land, trade, professions, and markets.
• Financial Provisions: Grants from the Consolidated Fund of India under Article 275(1).
• Cultural Protection: Safeguards against alienation of tribal land and exploitation by non-tribals.
Envelope Dimer Epitope (EDE)
Source: TH
Context: A new study published in Science Translational Medicine has identified Envelope Dimer Epitope (EDE)-like antibodies as a major driver of cross-serotype immunity against dengue.
About Envelope Dimer Epitope (EDE):
What it is?
• Definition: A quaternary epitope found on the envelope (E) protein of the dengue virus surface, formed when two E proteins pair together.
• Function: A key immune target capable of generating broad, cross-serotype protection.
• Uniqueness: Present only in mature virus particles, making it a precise target for neutralising antibodies.
Existing Vaccines:
• Dengvaxia: Licensed in some countries; recommended only for people with confirmed prior dengue exposure due to Antibody-Dependent Enhancement (ADE) risk.
• QDENGA: Effective in pre-exposed individuals; currently approved in some regions.
• Limitation: Both require prior infection for optimal protection and cannot fully eliminate ADE risk.
How it Works?
• Recognition: The Envelope Dimer Epitope (EDE) is a unique structure on the outer covering of the dengue virus, formed when two envelope (E) proteins pair up.
• Antibody Binding: Special EDE-like antibodies can identify and attach to this structure on the virus.
• Blocking Infection: Once these antibodies bind, they physically prevent the virus from attaching to and entering human cells — a necessary step for the virus to multiply.
• Cross-Serotype Protection: Because the EDE structure is similar across all four dengue virus types (serotypes), these antibodies can neutralise multiple serotypes instead of just one.
Key Characteristics:
• Broadly Neutralising – Capable of inactivating all four dengue virus serotypes.
• High Protective Value – Strongly associated with reduced severity of disease and fewer hospitalisations.
• Induced by Multiple Exposures – Common in individuals who have had dengue more than once or in vaccinated individuals with prior infection.
• Low in Primary Infection – Rarely produced in significant amounts during the first infection.
• Biomarker Role – Presence of high EDE-like antibody levels can indicate strong and broad dengue immunity, useful in evaluating vaccine efficacy.
Implications:
• Vaccine Development: Designing vaccines to target EDE could provide cross-serotype immunity without ADE.
• Public Health Strategy: Potential for broader dengue immunisation policies in endemic regions like India.
• Therapeutic Innovation: Monoclonal antibody therapies could be developed to deliver rapid immunity during outbreaks.
World Elephant Day 2025
Source: TH
Context: World Elephant Day 2025 will be celebrated on August 12 in Coimbatore, Tamil Nadu, focusing on human–elephant conflict mitigation, hosted by the MoEF&CC in collaboration with the Tamil Nadu Forest Department.
About World Elephant Day 2025:
• What it is?
• An annual global event dedicated to the conservation and protection of elephants. Aims to raise awareness about threats to elephants, including habitat loss, poaching, and human–elephant conflict.
• An annual global event dedicated to the conservation and protection of elephants.
• Aims to raise awareness about threats to elephants, including habitat loss, poaching, and human–elephant conflict.
• History:
• Established in 2012 by Canadian filmmaker Patricia Sims and the Elephant Reintroduction Foundation of Thailand.
• Established in 2012 by Canadian filmmaker Patricia Sims and the Elephant Reintroduction Foundation of Thailand.
• Promote the preservation and protection of elephants and their habitats. Encourage sustainable coexistence between humans and elephants.
• Promote the preservation and protection of elephants and their habitats.
• Encourage sustainable coexistence between humans and elephants.
About Elephant:
• What it is:
• The largest terrestrial mammals, belonging to the family Elephantidae. Known for their intelligence, social bonding, and ecological importance as a keystone species.
• The largest terrestrial mammals, belonging to the family Elephantidae.
• Known for their intelligence, social bonding, and ecological importance as a keystone species.
• IUCN Status:
• Asian Elephant (Elephas maximus): Endangered. African Savanna Elephant (Loxodonta africana): Endangered. African Forest Elephant (Loxodonta cyclotis): Critically Endangered.
• Asian Elephant (Elephas maximus): Endangered.
• African Savanna Elephant (Loxodonta africana): Endangered.
• African Forest Elephant (Loxodonta cyclotis): Critically Endangered.
• Features:
• Physical Traits: Massive body, long trunk, large ears (larger in African species, smaller in Asian species). Tusks: Modified incisors used for foraging, digging, and defence; both male and female African elephants have tusks, but in Asian elephants, only some males do. Social Structure: Led by a matriarch – females live in herds with calves, males live solitarily or in small groups. Reproduction: Long gestation (22 months), one calf every 4–5 years and young are cared for by the entire herd. Ecological Role: Shape ecosystems by dispersing seeds, creating water holes, and maintaining grasslands.
• Physical Traits: Massive body, long trunk, large ears (larger in African species, smaller in Asian species).
• Tusks: Modified incisors used for foraging, digging, and defence; both male and female African elephants have tusks, but in Asian elephants, only some males do.
• Social Structure: Led by a matriarch – females live in herds with calves, males live solitarily or in small groups.
• Reproduction: Long gestation (22 months), one calf every 4–5 years and young are cared for by the entire herd.
• Ecological Role: Shape ecosystems by dispersing seeds, creating water holes, and maintaining grasslands.
#### UPSC CURRENT AFFAIRS – 12 August 2025 Mapping:
Dardanelles Strait
Source: BBC
Context: The Dardanelles Strait in northwestern Turkey has been temporarily closed to maritime traffic due to wildfires near Çanakkale, prompting evacuations and firefighting operations.
About Dardanelles Strait:
• What it is?
• A narrow, natural sea channel connecting the Aegean Sea to the Sea of Marmara. Historically known as the Hellespont, it has been a key passageway since ancient times for trade and military strategy.
• A narrow, natural sea channel connecting the Aegean Sea to the Sea of Marmara.
• Historically known as the Hellespont, it has been a key passageway since ancient times for trade and military strategy.
• Location:
• Situated in northwestern Turkey, separating Europe’s Gallipoli Peninsula (northwest) from Asia Minor (southeast). Lies entirely within Turkey’s territorial waters.
• Situated in northwestern Turkey, separating Europe’s Gallipoli Peninsula (northwest) from Asia Minor (southeast).
• Lies entirely within Turkey’s territorial waters.
• Features:
• Length & Width: 61 km long, width ranges from 1.2 km to 6.5 km. Depth: Average depth ~55 m, maximum ~90 m in central narrow sections. Currents: Surface current flows from the Sea of Marmara to the Aegean; an undercurrent carries saline water in the opposite direction. Ports & Settlements: Major ports include Gallipoli, Eceabat, and Çanakkale. Historical Significance: Key battleground in ancient wars, the Persian invasion (480 BCE), Alexander’s expedition (334 BCE), and WWI’s Gallipoli Campaign.
• Length & Width: 61 km long, width ranges from 1.2 km to 6.5 km.
• Depth: Average depth ~55 m, maximum ~90 m in central narrow sections.
• Currents: Surface current flows from the Sea of Marmara to the Aegean; an undercurrent carries saline water in the opposite direction.
• Ports & Settlements: Major ports include Gallipoli, Eceabat, and Çanakkale.
• Historical Significance: Key battleground in ancient wars, the Persian invasion (480 BCE), Alexander’s expedition (334 BCE), and WWI’s Gallipoli Campaign.
• Implications:
• Global Trade: Closure disrupts shipping between Europe, Asia, and the Black Sea via the Bosporus. Geopolitical Importance: Acts as a maritime chokepoint crucial for Turkey’s strategic influence and NATO security interests.
• Global Trade: Closure disrupts shipping between Europe, Asia, and the Black Sea via the Bosporus.
• Geopolitical Importance: Acts as a maritime chokepoint crucial for Turkey’s strategic influence and NATO security interests.
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