[4][5] He has also served as Director General of Police in the state of Bihar[6] retiring from service in November 2015.

A number of recruitment drives were conducted by C.S.B.C in these years in order to strengthen the police force in the state.

Kumar has been credited with conducting these recruitment drives in an efficient manner which has been marred with corruption in the past.

The service commission was created in order to conduct recruitment examinations and fill vacancies for 19 posts of Group C employees in Government of Bihar and served their till November 2020.

[19] Kumar has been awarded the President's Police Medal for Distinguished Service in 2010 on the eve of India's Independence Day.