In which state did Prime Minister Narendra Modi inaugurate the Garjee - Belonia Railway Line on 9 February 2019?

Prime Minister Narendra Modi visited Guwahati, Itanagar, and Agartala on 9 February 2019. He laid the foundation stone for Greenfield Airport and Sela Tunnel in Arunachal Pradesh and North East Gas Grid in Assam. He inaugurated DD Arun Prabha Channel for Arunachal Pradesh. He also inaugurated the Garjee - Belonia Railway Line in Tripura.