annual rate contract for attending breakdown and preventive maintenance of fire pumps, water pumps & sump pump installed at different metro stations of l-2 & 3(ug) 6, 8 and bore well pump of line 1, 3, 4, 5, 6 & 9 and pit cleaning of underground station of line 7, 8 & 9 including depot & staff quarters for 03 years.
