bids are invited for custom bid for services - mechanised coach cleaning and watering (mcc) of primary and secondary maintenance trains at ypr coaching depot , custom bid for services - platform turnaround attention (pftr) to trains at ypr station , custom bid for services - maintenance of pit lines, catwalks, aprons, and de-silting of all pit lines round the clock, including cleaning of ioh shed, sick line, cdo office, and other service buildings at ypr coaching depot , custom bid for services - watering of nominated passthrough trains at ypr station, round the clock, in two shifts of 12 hours each , custom bid for services - intensive cleaning of pm & wcb coaches at ypr coaching depot , custom bid for services - gst at 18 percent for schedule 01 to 05