Replacement of sand layers, Activated Alumina & existing gravel for Modified Sujapur Sadipur Model after washing of AIRP allied ( Capacity 11. 00 Cum/ hr ) at Diar Syampur Zone- I Water Supply Scheme under Jal Jivan Mission of Bhagwangola- II Block under Berhampore Div- I, Murshidabad PHE Dte.