Construction of drilling location for water disposal well by construction/repairing of approx. 400 meter approach road, repairing and extension of hardstanding area, dewatering/desilting and repairing of effluent pit with suitable bunds/embankment, construction of CC/RCC foundations with pillow foundations to suit DM-05 Rig outfit at any location or multiple locations in Central Field-East area including supply of all materials except cement