laying of 200 mm swg pipeline in tailors colony from d.no:3/1028-1 to 3/1036-75-a, d.no:3/1045-1 to 3/1036-7-6, d.no: 3/1085-22-12 to 3/1085-21-12-e, d.no:3/1098-25 to 3/1098-20, d.no:3/1098-29-1-3 to pole no:t 8/13 in 23rd ward, laying of sewer line in c