Custom Bid for Services - GROUP-A HIRING OF CONTRACT FOR ANNUAL INSPECTION AND REPAIRING WORKS OF HEAT RECOVERY STEAM GENERATORS HRSG AND ECONOMIZER UNITS AT C2C3 RECOVERY PLANT 5020 GAIL VIJAIPUR FOR 27 MONTHS , Custom Bid for Services - GROUP-B HIRING OF CONTRACT FOR ANNUAL INSPECTION AND REPAIRING WORKS OF HEAT RECOVERY STEAM GENERATORS HRSG UNITS AT HVJ COMPRESSOR STATION 3015 GAIL VIJAIPUR FOR 24 MONTHS