Tenders for Custom Bid For Services - Total Lumpsum Rate Considering Zero Rated Gst For Group A Osbl For Annual Service Rate Contract For Painting Of Rotary And Static Equipment Piping And Structure Etc Of Pta Plant Of Ms Gail Mangalore Petrochemicals Ltd Ms Gm.. Custom Bid For Services - Otal Lumpsum Rate Considering Zero Rated Gst For Group B Isbl For Annual Service Rate Contract For Painting Of Rotary And Static Equipment Piping And Structure Etc Of Pta Plant Of Ms Gail Mangalore Petrochemicals Ltd Ms Gmp..