bids are invited for custom bid for services - total lumpsum amount tender no 3900002053 for service code 1026916 amc for servicing and calibration of xytel supplied on call basis - first day for 4 qty as per scope and boq and rate to be quoted including gst , custom bid for services - total lumpsum amount for service code 1026917 for amc for for servicing and calibration of xytel supplied subsequent day- for 6 qty as per scope and boq and rate to be quoted including gst , custom bid for services - total lumpsum amount for service code 1037764 for amc including plc logic modification,scada graphic modification,checking & testing for 2qty as per scope and boq and rate to be quoted including gst