Hello Mustafa,

Hope you are doing well.

UPSC posts for 24 different Civil Services are filled through Civil Service Examination (CSE) conducted by Union Public Service Commission. The most popular services are Indian Administrative Services (IAS), Indian Police Services (IPS), Indian Revenue Services (IRS) and Indian Foreign Services (IFS).

The allotment of services to successful candidates depends on the rankings obtained in the examination. A candidate after getting selected in service is appointed to various posts (in the span of his career) within that service except in some cases where he/she may go on deputation to another department in another service.

Here are some of the fields -

• Indian Administrative Service (IAS)

• Indian Foreign Service (IFoS)

• Indian Police Service (IPS)

• Indian P & T Accounts & Finance Service, Group ‘A’

• Indian Audit and Accounts Service, Group ‘A’

• Indian Revenue Service (Customs and Central Excise), Group ‘A’ (IRS)

• Indian Defence Accounts Service, Group ‘A’

• Indian Revenue Service (I.T.), Group ‘A’

• Indian Ordnance Factories Service, Group ‘A’ (Assistant Works Manager, Administration)

• Indian Postal Service, Group ‘A’

To know more about this, check the following link -

https://competition.careers360.com/articles/upsc-vacancies

Good Luck!