Development of Approach Road of approximate length 1500.0 Mtr, Construction of Well plinth including perimeter dwarf wall of approximate length 750.0 Mtr , Road over plinth, Construction of CC/RCC Foundation to suit CH-(2000 HP) Drilling Rig at any other drilling location at Tengakhat & Chabua or any area under Central Field-West in Dibrugarh district including supply of all materials by the contractor except Cement.