The Central Reserve Police Force ( CRPF ) is a federal police organisation in India under the authority of the Ministry of Home Affairs (MHA) of the Government of India. It is one among the Central Armed Police Forces. CRPF Full Form : Eligibility, Responsibility & more…. CRPF (Central Reserve Police Force) is India’s largest paramilitary force. It was established in 1939 as the Crown Representative Police and was renamed the Central Reserve Police Force in 1949. Hence, the full form of CRPF in English is also Central Reserve Police Force. It is understood from the full name of CRPF , that this police force works for the government of India as their functions come under the Ministry of Home Affairs in India. The Central Reserve Police Force ( CRPF ) is a central armed police force and an Armed Force of the Union of India, established under its own Act, and functions under the Ministry of Home Affairs. . The CRPF assists states and Union Territories in maintaining law and order and internal security.