The newly commissioned 51.38 km Bairabi-Sairang railway line brings the rail connectivity 18 km closer to Aizawl, the capital of Mizoram.
The project began in 2008-09, involving 48 tunnels and 142 bridges.
Sairang may serve as a key link to Myanmar’s India-funded Sittwe Port under the Kaladan Multi-Modal Transit Transport Project.
The Civil unrest in Myanmar and political instability in Bangladesh have delayed cross-border connectivity, including the Agartala-Akhaura and Imphal-Moreh rail links.