Sinking of 01 ( one ) no. 250mm x 150mm dia. 300 mtr. deep Tubewell by Direct Rotary Rig Method using P. V. C pipe and pre- packed Resin Bonded Gravel Filter for the Augmentation of Sabek Mahisahara & Adjoining Mouzas ( Chunpuri ) W/ S Scheme, Block- Canning- II under Canning Sub Division of Alipore Division, PHE Dte. ( TW. No. 1 )