During the last twentythree years , efficient engineers (i) pvt. Ltd. Has completed various water supply and drainage projects involving supply, installation, testing, commissioning, operation and maintenance of various types of pumps like vertical turbine, mixed flow, submersible, non-clog, hscf, centrifugal pumps, monoblocks ,gates, electrical equipments, electromagneticultrasonic floe meters, fire fighting equipments as well as htlt installations. Work completion certificates of some of the prestigious works executed satisfactorily in this category are presented here.