bids are invited for custom bid for services - expert services for dcs system in bongaigaon refinery line item 10 service charges for bhel expert fy 24 25 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 20 overtime charges fy 24 25 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 30 service charges for bhel expert fy 25 26 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 40 overtime charges fy 25 26 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 50 service charges for bhel expert fy 26 27 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 60 overtime charges fy 26 27 , custom bid for services - expert services for dcs system in bongaigaon refinery line item 70 accomodation charges at actuals limited to sor rate , custom bid for services - expert services for dcs system in bongaigaon refinery line item 80 testing equipment hire charges , custom bid for services - expert services for dcs system in bongaigaon refinery line item 90 mobilisation demobilisation charges , custom bid for services - expert services for dcs system in bongaigaon refinery line item 100 air travel charges at actuals for to and fro by air from bangalore or other site to guwahati , custom bid for services - expert services for dcs system in bongaigaon refinery line item 110 car or taxi charges at actuals for to and fro from guwahati or any other place to bongaigaon , custom bid for services - expert services for dcs system in bongaigaon refinery line item 120 local conveyance total quantity :