fabrication and erection, repair and maintenance of c.r, h.r and e.r canal gates with hoisting system at r.d. 14.87, 16.87, 43.00, 84.00, 84.60, 91.40, 92.40, 120.75, 135.00 of madhepura s.b.c. and r.d. 37.50, 53.00, 70.40, 122.25, 134.50, 146.00, 170.75, 214.00, 222.50 and 242.00 gamhariya s.b.c.under irrigaton mechnical division birpur for year 2019-20 .
