Famous Railway Tunnels in India
1. Pir Panjal Railway Tunnel
Length of track: 11,215 metres (36,795 ft.)
Location: Jammu and Kashmir
Railway Division: Northern Railway
Year of opening: 2013
2. Sangaldahan
Length of track: 8,000 metres (26,000 ft.)
Location: Jammu & Kashmir
Year of opening: 2017
3. Karbude (T-35)
Length of track: 6,506 metres
Location: Maharashtra
Railway Division: Konkan Railway
Year of opening: 1997
4. Nathuwadi (T-6)
Length of track: 4,389 metres (14,400 ft.)
5. Tike (T-39)
Length of track: 4,077 metres (13,376 ft.)
6. Berdewadi (T-49)
Length of track: 4,000 metres (13,000 ft.)
7. Savarde (T-17)
Length of track: 3,429 metres (11,250 ft.)
8. Barcem (T-73)
Length of track: 3,343 metres (10,968 ft.)
Location: Goa
9. Borail BG (T-10)
Length of track: 3,235 metres (10,614 ft.)
Location: Assam
Railway Division: Northeast Frontier Railway
Year of opening: 2015
10. Karwar (T-80)
Length of track: 2,950 metres (9,680 ft.)
Location: Karnataka
11. Honnavar (T-84)
Length of track: 2830 m
Location: Konkan Railway
Railway Division: Karnataka
12. Chowk (T-3)
Length of track: 2,628 metres (8,622 ft.)
Railway Division: Central Railway
Year of opening: 2006
13. Parchuri (T-27)
Length of track: 2,552 metres (8,373 ft.)
14. Khowai (T-2)
Length of track: 2,500 metres (8,200 ft.)
Location: Tripura
Year of opening: 2008
15. Sangar (T-4)
Length of track: 2,454 metres (8,051 ft.)
Year of opening: 2005
16. Monkey Hill (T-25C)
Length of track: 2,304 metres (7,559 ft.)
Year of opening: 1982
Top 10 Biggest Aeroplanes in the World
17. Aravali (T-21)
Length of track: 2,161 metres (7,090 ft.)
18. Chiplun (T-16)
Length of track: 2,100 metres (6,900 ft.)
19. Tamelong (T-8)
Length of track: 2,010 metres (6,590 ft.)
Location: Manipur
Year of opening: 2016
List of Mountain Railways of India
20. Longtarai MG (T-13)
Length of track: 1,936 metres (6,352 ft.)
Year of opening: 1903
21. Thizama BG (T-8)
Length of track: 1,849 metres (6,066 ft.)
Location: Nagaland
Year of opening: 2018
22. Parsik tunnel
Length of track: 1,618 metres (5,308 ft.)
Year of opening: 1916
23. Saranda (T-1 & T-2)
Length of track: 1,521 metres (4,990 ft.)
Location: Jharkhand
Railway Division: South Eastern Railway
Year of opening: 1900
24. Gurpa tunnel
Length of track: 1,444 metres (4,738 ft.)
Railway Division: East-Central Railway
Railway tunnels are more economical than open cuts beyond certain depths. It avoids disturbing or interference with surface life and traffic.