Rebuilding of distressed arch Br no. Bridge no. 78 (1*3.66), 79 (1*3.66), 80 (1*9.14), 81 (2*3.66), and 84 (5*6.1m) all of 1874 vintage and, provision of protection work at Bridge no. 76 (3*18.29),85 (1*6.1), 120 (1*4.57) & 121 (2*4.47) situated be