The Indian Police Commission in 1902-03 recommended constituting Criminal Investigation Department (CID) in every province and on 21 March 1905 the Government of India accepted the proposal of the Commission. The Government issued instructions to start the department in every province by 1907. In Bengal, Criminal Investigation Department (CID) came into existence on 1st April 1906 under Mr. C.W.C. Plowden. The first head of CID after Independence was Shri H.N. Sarkar,IPJP. At present CID, West Bengal is headed by Shri Sanjay Singh,IPS Additional Director General of Police, CID, West Bengal.