bids are invited for maintenance and servicing of dg set of capacity 160 kva , supply only in repair diesel filter element , supply only in repair oil filter element with o ring , supply only in repair air filter element suitable , supply and filling in sump topping up engine oil , supply and filling in coolant , supply and fixing in repairs starter gear , supply and fixing in repairs self starter , supply and fixing in repairs three phase power , supply and fixing in repairs three phase , supply and fixing in repairs voltage monitoring , repair maint of unsv centrifugal monoset pump , repair to motor and pump capacity upto 7.5 hp , supply and transportation of fresh drinking water total quantity : 50