bids are invited for custom bid for services - lump sum rate to be quoted by bidder including service charge for a period of 24 months period inclusive of all charges gst towards contract for services for product upkeep in ptd warehouses at gail pata , custom bid for services - service charge for supplying minimum 8 nos stitching machine and its maintenance to be quoted by bidder on gem portal on lumpsum basis for 24 months period inclusive of all charges gst , custom bid for services - service charge for deployment of tractor trolley for shifting of waste generated in ptd to be quoted by bidder on gem portal on lumpsum basis for 900 ton inclusive of all charges gst