Rule 4 — CCS

4. Classification of Services PART II – CLASSIFICATION (1) The Civil Services of the Union shall be classified as follows :-

(i) Central Civil Services, Group ‘A’;

(ii) Central Civil Services, Group ‘B’;

(iii) Central Civil Services, Group ‘C’;

(iv) Central Civil Services, Group ‘D’.

(2) If a Service consists of more than one grade, different grades of such Service may be included in different groups.