| Bairabi–Sairang line | |
|---|---|
| Overview | |
| Status | Completed |
| Owner | Indian Railways |
| Locale | Mizoram, India |
| Termini | |
| Stations | 4 |
| Website | Indian Railway Website |
| History | |
| Planned opening | 13 Sep 2025 by PM India |
| Technical | |
| Line length | 51.38[1] km (31.93 mi) |
| Number of tracks | Single diesel line |
| Track gauge | 5 ft 6 in (1,676 mm) |
| Electrification | under progress |
TheBairabi–Sairang line is anIndian railway line fromBairabi toSairang in Mizoram under theNortheast Frontier Railway zone ofIndian Railways.[2] It is the only railway line that connects Aizawl, the capital city of Mizoram, with other parts of India. The project initiated in 2015, was completed and inaugurated in 2025.[3] It reduce the travel time from Bairabi to Aizawl—from 6–7 hours by road to under 1 hour by train and Silchar in just 3 hours which used to take 8-12 hours by road, benefitting students, traders, medical patients and tourists with a more affordable travel option.[4]
In 1999, the plan to built Bairabi-Sairang line conceived, but did not materialise due to the proposed alignment through deep forest, hence, in 2006 a survey for new alignment was completed and the new alignment was approved in 2008. The construction started in 2015. The 23% of the line is on bridges including 55 major bridges including one of India’s tallest pier bridge 105 metres (344 ft) over the Kurung river, 30% through 45 tunnels, and the rest on steep unstable slopes in earthquake proneseismic zone 5, making construction riskier.[4] Bairabi-Sairang rail line entails 142 bridges (55 major bridges and 87 minor bridges), and four stations, and 28 hectares (69 acres) land was acquired for the construction.[2][5] The Northeast Frontier Railway completed the construction of the tallest pier in Mizoram in the approach ofSairang Railway Station, the height of this pier is 105 metres (344 ft).[6] On 23 August 2023, a span under construction on the Sairangbridge collapsed, killing 26 workers.[7] Key details of this project aside from Kurung Bridge are a 1,870 metres (6,140 ft) long tunnel (the longest among 45 tunnels in this stretch), the 331 metres (1,086 ft) long bridge near Hortoki station (the longest among 55 major bridges and 87 minor bridges in this stretch) & 66 scenic curves enroute.
In 2008, the total estimated cost of entire project as ₹619 crore,[4] later revised to ₹2384 crores, then ₹5021.45 crores, and then in 2017 to ₹8605 crores,[8] and actually costed ₹8,071 crore upon completion in 2025.[4]
On 13 September 2025, Prime MinisterNarendra Modi inaugurated the railway line with an opening service of the Sairang–Delhi Rajdhani Express, the Sairang–Guwahati Express and the Sairang-Kolkata Express.[9]
The route has one existing and four new stations at the time of construction, listed north to south:[2]
Direct trains from Sairang nearAizawl are running toNew Delhi 2,510 kilometres (1,560 mi),[10]Guwahati 483 kilometres (300 mi), andKolkata 1,495 kilometres (929 mi),[4][11] which also connect other major cities, such asAgartala 364 kilometres (226 mi),Siliguri 900 kilometres (560 mi), andDimapur 385 kilometres (239 mi).
Sairang-Anand Vihar Terminal Rajdhani Express, Sairang-Kolkata Express &Guwahati-Sairang Express are running only now
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