( 1 ) Interconnection by 100 mm dia DI Pipe in between existing 100 mm dia DI and 75 mm dia AC pipelines at New Town CI Goli under Ward No.- 4, Vidyasagar Pally under Ward No.- 19 and Roy Nagar School & Sarada Sarani under Ward No.- 11 within Diamond Harbour Municipal area. ( 2 ) Construction of drainage system connected with overflow line of Rajani Babu road ESR at Ward No.- 16 under Kanchrapara Municipality.