Sinking of 01 No. 250mm x 150mm dia. 360 mtr. deep Replacement Tubewell by D. R. Rig method using UPVC Pipe & Pre- packed Resin Bonded Gravel Filter at 2nd Tubewell Site for Mahishamari ( Zone- I & II ) W/ S Scheme, Block- Sagar for implementation of JJM under Kakdwip Sub- Division of Alipore Division, P. H. E. Dte. ( Zone- II )