Because the file must document the basis for every decision. A Ministerial direction is significant — it must be on record. Also, the Secretary needs to be aware of all directions given by the Minister to ensure administrative coordination.
Source: CSMOP Para 21
What is the sequence of certification?
Does this rule apply to social media accounts of Ministries as well?
What is the key difference between a D.O. letter and a regular letter?
Can a nationalized bank other than SBI act as the 'Bank' under GAR?
Who is responsible for keeping the residential address list of Section staff?
This answer is for informational purposes only and does not constitute legal advice. Always refer to the original rules and consult competent authorities for official interpretation.