Tender For providing of custom bid for services - hiring of services for assistance in instrumentation and telecom department activities at gail gandhar for 24 months part-a providing of resources bidder has to quote service charge and gst thereon on total estimate value,custom bid for services - hiring of services for assistance in instrumentation and telecom department activities at gail gandhar for 24 months part-b item rate for instrumetation and telecom jobs as per scc and sow detailed as per tender document