The Civil Services refer to the civil services, the permanent executive branch of the Republic of India. The civil service system is the backbone of the administrative machinery of the country

Group A Services

Indian Administrative Service
Indian Foreign Service
Indian Police Service
Indian P & T Accounts & Finance Service
Indian Audit and Accounts Service
Indian Revenue Service (Customs and Central Excise)
Indian Defence Accounts Service
Indian Revenue Service (I.T.)
Indian Ordnance Factories Service (Assistant Works Manager, Administration)
Indian Postal Service
Indian Civil Accounts Service
Indian Railway Traffic Service
Indian Railway Accounts Service
Indian Railway Personnel Service
Indian Railway Protection Force (Assistant Security Commissioner)
Indian Defence Estates Service
Indian Information Service (Junior Grade)
Indian Trade Service, Group 'A' (Gr. III)
Indian Corporate Law Service

Group - B Services

Armed Forces Headquarters Civil Service (Section Officer's Grade)
Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service
Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Police Service
Pondicherry Civil Service
Pondicherry Police Service

Exam schedule:

1 UPSC Advertise normally in the month of May in EMPLOYMENT NEWS
2 Preliminary Examination of objective type held every year in AUGUST.
3 Preliminary examination result - OCTOBER.
4 Mains Examination Descriptive type test held in - DECEMBER.
5 Mains Examination result - MARCH
6 Oral Interview (viva - voce) APRIL-MAY at New Delhi.
7 Final Result – MAY