Sinking Of 1 No. 250mm X 150mm Dia. 330 M. Deep Replacement Tubewell By D.r. Rig Method Using Pvc Pipe And Pre-packed Resin Bonded Gravel At 2nd Tubewell Site Of Budhakhali Zone-i Water Supply Scheme Block - Namkhana Under Kakdwip Sub-division (EXPIRED)