(i) Indian Administrative Service
(ii) Indian Foreign Service
(iii) Indian Police Service
(iv) Indian Audit and Accounts Service, Group ‘A’
(v) Indian Civil Accounts Service, Group ‘A’
(vi) Indian Corporate Law Service, Group ‘A’
(vii) Indian Defence Accounts Service, Group ‘A’
(viii) Indian Defence Estates Service, Group ‘A’
(ix) Indian Information Service, Group ‘A’
(x) Indian Postal Service, Group ‘A’
(xi) Indian P&T Accounts and Finance Service, Group ‘A’
(xii) Indian Railway Protection Force Service, Group ‘A’
(xiii) Indian Revenue Service (Customs & Indirect Taxes) Group ‘A’
(xiv) Indian Revenue Service (Income Tax) Group ‘A’
(xv) Indian Trade Service, Group ‘A’ (Grade III)
(xvi) Indian Railway Management Service, Group ‘A’
(xvii) Armed Forces Headquarters Civil Service, Group ‘B’ (Section Officer’s Grade)
(xviii) Delhi, Andaman and Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service (DANICS), Group ‘B’
(xix) Delhi, Andaman and Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Police Service (DANIPS), Group ‘B’
(xx) Pondicherry Civil Service (PONDICS), Group ‘B’
(xxi) Pondicherry Police Service (PONDIPS), Group ‘B’