Tender For Engagement Of Agencies On Labour Contract Basis For Underground Piping Works Including Fabrication, Wrapping & Coating, Erection, Welding, Testing, Flushing, Pre- Commissioning & Commissioning With Allied Civil And Misc. Works” In Connection With ‘Piling, Civil-Structural & Ug Works For Coker-B Revamp Project At Barauni Refinery Of Indian Oil Corporation Limited.