Hiring the services of ROW ROU Patrolling from Mainline PLKm 0.0 to 34km,stretching through Dibrugarh district of Assam,Branch Line PLKm 0.0 to 35.0 km,stretching through Dibrugarh and amp Tinsukia district of Assam and TSPL PLKm 0.0 to 22 km and OFC Route from PS 1 to TPS stretching through Dibrugarh district of Assam for Three years and extendable by another one year upon Management review .