CONSTRUCTION OF BOUNDARY WALL INCLUDING RETAINING WALL, 01 NO GATE FOR DEVELOPMENT OF SURFACE FACILITY AND SUB STATION CUM SWITCH YARD BUILDING TO SUPPLY OIL FIELD GAS TO IGGL AT DULIAJAN NEAR CGGS, MADHUBAN. LENGTH OF THE WALL IS APPROX 675.00M ALONG WITH ROAD FOR CONSTRUCTION OF BOUNDARY WALL INCLUDING SUPPLY OF ALL MATERIALS EXCEPT CEMENT