The Central Reserve Police Force, also known as CRPF is the largest of India’s Central Armed Police Forces. It functions under the aegis of Ministry of Home Affairs (MHA) of the Government of India. The CRPFs primary role lies in assisting the State/Union Territories in police operations to maintain law and order and contain insurgency.The Union Public Service commission organizes an entrance exam for the recruitment of candidates into the various posts in the CRPF.