Union Public Service Commission conducts a Written Examination for the recruitment of Assistant Commandants (Group A) in the following services:

Central Police Forces (CPF)
Border Security Force (BSF),
Central Reserve Police Force (CRPF),
Indo-Tibetan Border Police (ITBP)
Sashastra Seema Bal (SSB).

The examination is held in accordance with the Rules for the Examination published by Ministry of Home Affairs in the Gazette of India.