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 43 km-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 km long track to Sabroom at the bank of Feni River at Bangladesh border was completed in 2019 and became operational on 3 October 2019.

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Lumding–Sabroom section (including Katakhal–Bairabi–Sairang, Katakhal–Jiribam–Imphal & Baraigram–Dullabcherra branch lines)
Udaipur station in Tripura
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	503 km (313 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 Heritage 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 Heritage MG route Tamu-Kalay railway (planned) 297 Tamu Myanmar India border 287 Moreh ↑ planned 182 Imphal 173 Phayeng 162 Haochong 155 Tupul 146 Noney 127 Khongsang 118 Thingu 103 H.J. Kambiron 96 Kaimai Road ↑ under construction 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

Close

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 km Kumarghat–Agartala railway line project was laid in 1996. The 87 km-long segment from Lumding to Agartala became operational in 2008. It was a metre-gauge single track without electrification and was converted to 1,676 mm (5 ft 6 in) broad gauge in 2016. A new 43 km-long track was laid from Agartala to Udaipur, Tripura in 2017. The remaining 70 km long track to Sabroom at the bank of Feni River at Bangladesh border was completed by 2019 and became operational on 3 October 2019.

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 500 km, from current about 1500 km via Guwahati.

• Karimganj Junction
• Guwahati–Silchar Express