bids are invited for custom bid for services - to be quoted on lumpsum basis for a period of 24 months including service charges and taxes and duties gst for annual maintenance contract for calibration maintenance of lel detectors opgd system and repair of gas detection.. , custom bid for services - to be quoted on lumpsum basis including gst for supply of 4 nos of ethane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 56 nos of ethylene gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 120 nos of n hexane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 24 nos of n butane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 128 nos of methane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 24 nos of hydrogen gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 24 nos of propane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 8 nos of n pentane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 20 nos of lpg gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 16 nos of propylene gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 40 nos of benzene gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 4 nos of mercaptan gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 4 nos of octane gas canisters as per specifications given in scope of work and scc , custom bid for services - to be quoted on lumpsum basis including gst for supply of 160 nos of nitrogen gas canisters as per specifications given in scope of work and scc total quantity :