Which of the following routes increased the connectivity of Bangladesh to Assam and West Bengal?

The correct answer is Haldibari-Chilahati Ro ute . Key Points Haldibari-Chilahati Route increased the connectivity of Bangladesh to Assam and West Bengal . ​For the movement of passenger and goods traffic , the Haldibari (India)-Chilahati (Bangladesh) rail link was reopened by both the Prime Ministers of India and Bangladesh on 17th December 2020 . The governments of India and Bangladesh started the operation of freight trains through the Haldibari - Chilahati Rail Route w.e.f 1st August 2021 . The Indian Railways dispatched the first freight train from Damdim Station of Northeast Frontier Railway (India) to Bangladesh . Additional Information The Haldibari – Chilahati rail link between India and Bangladesh (erstwhile East Pakistan) was operational till 1965 . India cut off all the railway links between India and East Pakistan after the war of 1965. During the partition of India, it was part of the Broad Gauge main route from Kolkata to Siliguri .