In September 2025, Prime Minister Narendra Modi inaugurated Mizoram’s first-ever railway line connecting Bairabi on the Assam–Mizoram border to Sairang, near Aizawl. This milestone project, costing approximately Rs 8,070 crore, enhances northeastern connectivity. With this, Aizawl became the fourth northeastern capital with railway access. What is the total length of the Bairabi–Sairang railway line?

The correct answer is 51.38 km. In News Prime Minister Narendra Modi inaugurated Mizoram’s first broad-gauge railway line, the Bairabi–Sairang section, spanning 51.38 km, connecting Aizawl to the national railway network. Key Points The 51.38 km Bairabi–Sairang railway line marks Mizoram’s first rail link connecting it to the national network. The project connects Bairabi on the Assam–Mizoram border with Sairang, located 20 km from Aizawl. It cost approximately Rs 8,070 crore and involved challenging terrain requiring multiple bridges and tunnels. The line includes 45 tunnels, 55 major bridges, and 87 minor bridges, making 54% of the route through tunnels. Bridge No. 144 near Sairang stands as India’s tallest pier-based railway bridge at 114 metres. The project was sanctioned in 2008–09 and began construction in 2015 under Indian Railways' Northeast Frontier Zone. Additional Information Northeast capitals currently connected by rail include Guwahati (Assam), Agartala (Tripura), Itanagar (Arunachal Pradesh), and now Aizawl (Mizoram). The project aims to improve tourism, trade, and regional mobility in the Northeast region. Bridge No. 144 surpasses the Chenab Bridge’s pier height record for a different category. Northeast Frontier Railway (NFR) oversees railway expansion projects in hilly terrain of Northeast India.