Sinking of 02 ( Two ) nos. Rig bored 250mm x 150mm dia & 360 mtr. deep Tubewell having 66 mtr. housing by Rotary method for DHOSA Piped Water Supply Scheme to accommodate FHTC in Jaynagar- I block under South 24- Pgns. W/ S Division- I, South 24- Pgns. District for Augnemtation of Surface Water Based Water Supply Scheme in the Arsenic affected areas of South 24- Pgns. Dist. [ SM/ 16117 ]