bids are invited for custom bid for services - mrpl tender no 3900001568 and service code 1041642 for amc for calibrtn of msadragr single gas as per sow and boq and in gem overall total lump sum rate to be quoted considering 150 nos each including gst , custom bid for services - service code 1041643 for amc for calibraton of msa-drager two gas as per sow and boq and in gem overall total lump sum rate to be quoted considering 35 nos each including gst , custom bid for services - service code 1041644 for amc for calibrtn of msa-dragr three gasas per sow and boq and in gem overall total lump sum rate to be quoted considering 40 nos each including gst , custom bid for services - service code 1041645 for amc for calibrtn of msa-dragr four gasas per sow and boq and in gem overall total lump sum rate to be quoted considering 90 nos each including gst , custom bid for services - service code 1041646 for lodging/bording charge for technicianas per sow and boq and in gem overall total lump sum rate to be quoted considering 2 nos including gst total quantity :