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.

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.

It was a metre-gauge single track without electrification and was converted to 1,676 mm (5 ft 6 in) broad gauge in 2016.

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.