Hiring services of RoW/RoU Ground Patrolling by line walking method from PL KM post 632 (Sankosh; Downstream) to PL KM post 783 (Chel; Upstream), stretching through Alipurduar & Jalpaiguri districts of West Bengal, under Pump Station No.7, Madarihat of Oil India Limited for a period of 2(Two) years and further extendable by 1(One) year.
