List of Chief Ministers of Arunachal Pradesh: Arunachal Pradesh a state in Northeastern India. It was formed from the erstwhile North-East Frontier Agency (NEFA) region, and became a state on 20 February 1987. Itanagar is the state capital of Arunachal Pradesh. List of Chief Ministers of Arunachal Pradesh 1. Prem Khandu Thungan Born: 5 June