Construction of approach road of 110M length, plinth, effluent pit, road over plinth, laying of impervious layer to suit E-2000 rig out fit for proposed Drilling location Loc-12, KG-Basin (Gauthomi-Godavari area NELP-VI, Block: KG-ONN-2004/1) at Gadillanka Village under Mummidivaram Mandal, East Godavari District, Andhra Pradesh including supply of all materials.