DIG Full Form is Deputy Inspector General of Police. In Indian terms, DIG full form denotes the responsible post of Deputy Inspector General of Police. Responsibilities and Functions of a DIG are concerned with offence against weaker section, tribals, women, juveniles, narcotic cases, missing persons bureau, and more.
In fact DIG position holds 3-star rank in IPS or Indian Police Service and is under an IGP or Inspector General of Police. With regards to ranking, the DIG rank is almost equal to Brigadier rank in India Army. DIG can also be called as joint Commissioner of Police or JCP.