Operation and Maintenance of 7.25MLD Capacity Sewage Treatment Plant of MBBR Technology for 6th Year of Operation and Maintenance (Including Repairs of pumps, Screens, Blowers and all other Mechanical and Electrical equipment Lab Maintenance DS Servicing, Gardening, Purchase of Chlorine Cylinders and other chemicals required for Treatment of sewage including Diesel for DG supply, Desilting if required and salaries to all staff etc., Excluding Power/Electricity Charges) at Chinthal cheruvu, Lingareddypally(V), Siddipet.