operation and maintenance pumping machinery for a/mtc. water supply schemes karawara manakpur, mastapur, mundra, nain sukhpura, palhawas, qutabpuri buzraj, rojhuwas, tehna dipalpur `repair of all type of pumping machinery, ww, booster, raw water pumping stations and t.wells etc. consisting mainly of motor, pump, electrical control board, starter, cable ,section pipe , delivery pipes in and out and all accessories sluice valves, non return valves specials etc. including all consumble like starter oil, greash, gland dori, nut and bolt , electrical and mechanical item complete in all respect and all other works contingent thereto