Tender For mtps-i â tm â unit-iii â changing the defective bfp-3b discharge nrv as per ibr specification by ibr welding and replacement of the defective bfp suction valve-3b, changing the eroded drip line reducers/ expanders and changing the defective / eroded /plug broken 1â & 2â drain line & vent line valves / pipes / bends by ibr & non ibr welding in unit-iii during annual overhauling 2025-26.