To carry out 4 Yearly maintenance, cleaning and painting of 355.6 MM OD ML & 219.1 MM OD GSPL on RAIDOK-II Rail Bridge (Pl Km 640.2)and 219.1 MM OD GSPL RAIDOK-I Rail Bridge (PL KM 649.5)including service and checking of all the hangar units under PLM Section, Oil India Limited, PHQ, Guwahati, Assam
