annual maintenance contract of 2 x 600 kva cummins dg sets iip substation dehradun , electrical items : , amc visit charge for a year ( 12 routine + countless breake down visit ) for 2 nos 600 kva cummins dg set at our iip substaion , supply of b check kit material : , element lube oil filter ( 3238204 ) , kit fuel filter and ring ( 3238493 ) , kit super bypass filter element ( 3879488 ) , inhibitor corrosion on 10 liters , element air clear ( 4055280 ) , element air clear ( 4055279 ) , strip test ( 4912590 ) , valvoline primium blue 7800 plus 1 / 210 ltr ( 504626 ) , freight and delivery charge , amf relay jd 205 12 / 24 dc , fuel gague 265 mm kta 19g9