Operation Maintenance of complete Ultra Violet U V disinfection system for Giri water supply scheme Installed at Sanjauli Reservoir and complete Gaseous Chlorination System at Bekhalti Reservoir alongwith all accessories parts such as glass tub Operation Maintenance of complete Ultra Violet U V disinfection system for Giri water supply scheme Installed at Sanjauli Reservoir and complete Gaseous Chlorination System at Bekhalti Reservoir alongwith all accessories parts such as glass tub