Custom Bid for Services- Part A Annual Maintenance, Contract For Calibration Maintenance Of LEL Detectors, installed at Pipeline installation in GujaratDahej Hazira, Undera to be quoted for the same in GeM bid line item no 1, Custom Bid for Services, Custom Bid for Services- Part, BAnnual Maintenance Contract For Calibration Maintenance, Of LEL Detectors installed at Pipeline installation in MP, Rajasthan RegionJhabuaKhera VijaipurGadepan, KotaChittorgarh to be quoted for the same in GeM bid line i,.., Custom Bid for Services- Part C Annual Maintenance, installed at Pipeline installation in MP UP Kailaras Dibiyapur, Agra to be quoted for the same in GeM bid line item no 3