Construction of chlorination room, approach road, land development and other allied works under Augmentation of existing laying distribution system including New OHR and allied works to extend the benefit of 100 % HouseHold in Zone- II ( Rajballabhpur ) under Magrahat- I Block under South 24- Pgns W/ S Divn- I, PHE Dte. South 24 Parganas District. ( SM/ 18707 )