There are various posts and departments in Indian Government and following lists down the abbreviations in Indian government services:
IAS – Indian Administrative Service
IPS – Indian Police Service
DM – District Magistrate
IRS – Indian Revenue Service
IFS – Indian Foreign Service
ACP – Assistant Commissioner of Police
ADG – Additional Director General
ASI – Assistant Sub-Inspector
ASP – Assistant Superintendent of Police
BSF – Border Security Force
CBI – Central Bureau of Investigation
CID – Criminal Investigation Department
CISF – Central Industrial Security Force
CPO – Central Police Organisation
DCP – Deputy Commissioner of Police
