Hiring the services of RoW/RoU Line Walking on limited tender basis by line walking method under Pump Station 1 Duliajan for a period of one year from 01.09.2024 to 31.08.2025 for the following segments:1.PL KM 0.0 km to 34.0 km of Naharkatia Barauni crude oil pipeline (NBPL) 2.PL KM 0.0 km to 38 km of Digboi Duliajan crude oil pipeline(DDPL) 3.PL KM 0.0 km to 22 km for TSPL 4.Optical Fiber Cable (OFC) route for TPS from PL KM 0.0 km to 27km