bids are invited for custom bid for services - 9050c25b45 in-situ servicing & overhauling of cummins make diesel engines, model kta- 1150-c of gts installed at mathura refinery on proprietary basis line item 10, sub item 10 overhauling of diesel engines of gt , custom bid for services - 9050c25b45 in- situ servicing & overhauling of cummins make diesel engines, model kta-1150-c of gts installed at mathura refinery on proprietary basis line item 10, sub item 20 transportation charges , custom bid for services - 9050c25b45 in-situ servicing & overhauling of cummins make diesel engines, model kta-1150-c of gts installed at mathura refinery on proprietary basis line item 20, sub item 10 reconditioning of turbocharger , custom bid for services - 9050c25b45 in-situ servicing & overhauling of cummins make diesel engines, model kta-1150-c of gts installed at mathura refinery on proprietary basis line item 20, sub item 20 reconditioning of fuel pump , custom bid for services - 9050c25b45 in-situ servicing & overhauling of cummins make diesel engines, model kta-1150-c of gts installed at mathura refinery on proprietary basis line item 20, sub item 30 reconditioning of injectors , custom bid for services - 9050c25b45 in-situ servicing & overhauling of cummins make diesel engines, model kta-1150-c of gts installed at mathura refinery on proprietary basis line item 20, sub item 40 reconditioning of cylinder heads