Lumding–Sabroom section

The Lumding–Sabroom section is a railway line under Lumding railway division of Northeast Frontier Railway zone of Indian Railways. It is a single 1,676 mm (5 ft 6 in) broad-gauge track from Lumding in Nagaon District of Assam state to Agartala in West Tripura district of Tripura state. The 44 kilometres (27 mi) long 1,676 mm (5 ft 6 in) segment from Agartala southwards to Udaipur, Tripura was completed in 2016 and became operational on 23 January 2017. The remaining 70 kilometres (43 mi) long track to Sabroom at the bank of Feni River at Bangladesh border was completed in 2019 and became operational on 3 October 2019.

Lumding–Sabroom section (including Katakhal–Bairabi–Sairang, Katakhal–Jiribam–Imphal & Baraigram–Dullabcherra branch lines)
Karimganj Junction
Overview
Status	Operational
Owner	Indian Railways
Locale	Assam and Tripura in India
Termini	Lumding Sabroom
Service
Operator(s)	Northeast Frontier Railway
History
Opened	2008
Technical
Line length	505 km (314 mi)
Number of tracks	1
Track gauge	1,676 mm (5 ft 6 in)
Old gauge	Metre gauge
Electrification	Not electrified / Diesel operated
Operating speed	100 km/h (62 mph)
Route map Legend km km Lumding–Dibrugarh section 0 0 Lumding Junction Guwahati–Lumding section 0 10 Manderdisa 20 Hatikhali 26 Dibolong 31 Dijaobra 38 Langting 47 Dihakho 54 Mupa 58 Kalachand 64 Maibang 70 Wadrengdisa 73 Daotuhaja 83 Phiding Abandoned MG route Mahur 088 88 Mahur Migrendisa 093 93 Migrendisa Lower Halflong 111 Bagetar 119 98 New Haflong Halflong Hill 122 Jatinga 128 109 Jatinga Lampur Longrangajao 134 Mailongdisa 138 119 New Harangajao Harangajao 146 Ditokcherra 153 127 Ditokcherra Abandoned MG route Tamu-Kalay railway (planned) 297 Tamu Myanmar India border 287 Moreh ↑ planned 182 Imphal 173 Phayeng 162 Haochong 155 Tupul 146 Noney ↑ under construction 127 Khongsang 118 Thingu 103 H.J. Kambiron 96 Kaimai Road 84 Vangaichungpao 73 Jiribam Manipur Assam border 69 Jirighat km 59 Kamranga Bandarkhal 132 53 Sribar Damchara 140 45 Ranigaon Katlichara 145 34 Moinarband Chandranathpur 149 27 New Silchar Bihara 153 29 Silchar Hilara 158 23 Arunachal Junction Sukritipur 163 20 Srikona Barak River 15 Salchapara Katakhal Junction 010 21 Algapur Panchgram 005 29 Hailakandi Badarpur Ghat 003 38 Monacherra 42 Amala Halt 46 Lalabazar Badarpur Junction 169 000 47 Lalaghat Rupasibari 172 53 Mohammedpur Bhanga 177 59 Katlicherra Chargola 183 66 Manipur Bagan New Karimganj 186 76 Jamira 86 Ramnathpur Karimganj Junction 190 Assam Mizoram border Longai 194 94 Bairabi Mahisasan 201 106 Hartoki closed MG section 115 Kwanpui India Bangladesh border 128 Khamrang Shahbajpur 208 129 Maulkhang Kulaura–Shahbajpur line 0 145 Sairang Suprakandi 194 ↓ planned Nilambazar 200 520 Hmawngbuchhuah Kayasthagram 203 India Myanmar border Baraigram Junction 207 Zochachhuah-Kyauktaw railway (planned) Kanaibazar 212 211 Eraligul Patharkandi 216 215 Phakhoagram Kalkalighat 220 221 Bazarghat Chandkhirabagan 223 226 Ratabari Tilbhum 231 229 Anipur Kathaltali Halt 235 236 Dullabcherra Assam Tripura border km 239 Churaibari 245 Nadiapur 250 Dharmanagar 253 Ramnagar Halt 261 Panisagar 273 Pencharthal 282 Kumarghat 293 Nalkata 303 Manu 306 Sindhu Kumar Para Akhaura–Kulaura line 0 318 Jawaharnagar Akhaura–Tongi line 0 323 Ambassa Akhaura Junction 17 341 Mungiakami Gangasagar 12 352 Teliamura 372 Jirania India Bangladesh border 385 Jogendranagar Akhaura–Chittagong line 0 4 Nischintapur Akhaura–Agartala line (under construction) 389 0 Agartala 396 Sekerkote 404 Bishalgarh 417 Bishramganj 424 Bagma 433 Udaipur 442 Garjee 455 Santir Bazar 465 Belonia 479 Jolaibari 487 Thailik Twisa 495 Manu Bazar 503 Sabroom km

History

The British introduced 6 important trains after the 363 kilometres (226 mi) long Guwahati-Lumding-Badarpur Junction MG line was completed in 1914. These were 2 MG trains between Guwahati and Silchar, 1 MG train between Silchar & Sylhet, 1 MG Train between Silchar & Dhaka, 1 MG Train between Dhaka & Hailakandi & 1 between Guwahati & Dhaka. In 1947 after partition, 4 trains were permanently withdrawn with only 2 MG trains between Guwahati and Silchar running until 1992. After conversion of Guwahati–Lumding to broad gauge in 1992, the originating and ending station of these train was changed to Lumding. Post partition, Railway service was established in Tripura in 1964^[1] by constructing metre gauge track from Karimganj to Dharmanagar and Kailashahar in Tripura, but the track did not connect the state capital Agartala. The foundation stone of the 119 kilometres (74 mi) Kumarghat–Agartala railway line project was laid in 1996. The 87 kilometres (54 mi) long segment from Manu to Agartala became operational in 2008. It was a meter-gauge single track without electrification. The 5695/15696 Lumding-Agartala Express was started in 2008 with timings for 5695 being Lumding 21.45 pm; Lower Halflong 01.30 am; Badarpur Junction 06.30 am & arriving Agartala 14.15 pm & timings for 5696 being Agartala 16.00 pm; Badarpur Junction at 00.15 pm; Lower Halflong at 04.55 am & arriving Lumding at 08.30 am. It was a 16 hrs 30 mins journey to cover 407 kilometres (253 mi) running at 25 kilometres per hour (16 mph) speed.^[2] In 2014, all trains were stopped & the line was converted to 1,676 mm (5 ft 6 in) broad gauge in 2016. A new 44 kilometres (27 mi)-long track was laid from Agartala to Udaipur, Tripura in 2017. The remaining 70 kilometres (43 mi) long track to Sabroom at the bank of Feni River at Bangladesh border was completed by 2019 and became operational on 3 October 2019.

Important stations

• Lumding Junction
• Manderdisa Junction
• Langting
• Maibang
• New Halflong
• New Harangajao
• Jatinga-Lampur
• Chandranathpur
• Badarpur Junction (Branch line to Silchar)
• Karimganj Junction (Branch line to Maishashan-Latu/Bangladesh Border)
• New Karimganj Junction
• Baraigram Junction (Branch line to Dullabcherra)
• Dharmanagar
• Kailashahar
• Manu
• Ambassa
• Agartala Junction (Branch line to Akhaura/Bangladesh Border)
• Belonia
• Udaipur, Tripura
• Sabroom

Railway lines to Manipur and Mizoram

On June-July 2025, Indian Railways has successfully completed Bairabi - Sairang (near Aizawl) Broad Gauge Railway line linking Mizoram. The railway connection to Imphal is in progress & completed till Khongsang. Important stations in these routes are:-

Badarpur Junction - Silchar Section:- Badarpur Junction, Katakhal Junction, Arunachal Junction & Silchar. This section is 30 kilometres (19 mi) long with 75 km/h (47 mph) max speed allowance.

Silchar - Sairang Section:- Silchar, Arunachal Junction, Katakhal Junction, Hailakandi, Lalabazar(Lala), Bairabi, Sairang. This section is 154 kilometres (96 mi) long (From Silchar), with Bairabi - Sairang part of 51 kilometres (32 mi) is just completed & undergoing trial runs for introducing 20507/20508 Mizoram Rajdhani Express ^[3].

Silchar - Imphal Section:- Silchar, Arunachal Junction, Jiribam, Vangaichungpao, Rani Gaidinliu, Thingou, Khongsang. This section is completed upto Khongsang & is 110 kilometres (68 mi) long (From Silchar). 12097/12098 Agartala - Khongsang Janshatabdi Express runs on this route.

Future construction

The track may be extended further from Sabroom to Chittagong port which is 75 km from the India–Bangladesh border. A branch line from Agartala to Akhaura in Bangladesh, is under construction. This line will reduce the distance between Kolkata and Agartala to about 729 kilometres (453 mi), from current about 1,550 kilometres (960 mi) via Guwahati. But Indian Government have suspended the project after 5th August 2024 owing to Political Chaos in Bangladesh.

See also

• Karimganj Junction
• Guwahati–Silchar Express
• North Eastern Railway Connectivity Project