Supply of Listed-I, Listed-II and Listed-III for sanitation and Upkeepment services and other Miscellaneous Services in OIL Housing area, all conservancy tracks, DX, TDX, TD+ areas Bungalows, Offoces etc at Duliajan OIL township including collection, transportation and disposal of MSW under Medical Department, Duliajan for a period of 5 (Five) years.