operation and maintenance pumping machinery for a/mtc. water supply schemes bitori, bohka, buroli, dahina, dhani thetrabad, gothera tappa dahina, jharoda, kanwali etc., `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.