Railway ministry to approach CCEA for doubling of railway line from New Bongaigaon to Guwahati via Rangiya: Piyush Goyal Industry-Economic Times — December 29, 2018 comments off The Railway Minister was apprised that Tetelia – Byrnihat new railway line, doubling of Lumding – Hojai section, Agartala – Sabroom new railway line and international line from Jogbani would be ready very soon.