India, Sept. 15 -- The departure of the train that left Sairang, a town on the outskirts of Aizawl (Mizoram's capital), on Saturday morning to arrive in Delhi's Anand Vihar station on Monday, marks a milestone moment. Railway connectivity between Delhi and Aizawl is significant in many ways. One, it connects one of India's farthest state capitals with the national rail grid. Until recently, the railways did not service much of India's North-East. In the past decade, Arunachal Pradesh, Tripura and Mizoram have seen trains chugging in, connecting their respective state capitals with the national capital. Two, a railway link eases trade. In the case of the train to Aizawl, the track is eventually expected to stretch all the way to the Sittwe...