Btps - Chp - Replacement Of New/Reconditioned Rollers And Frames, Fabrication And Erection Of Skirt Rubber, Scrappers Etc. For Periodical And Breakdown Maintenance Of Belt Conveyors As And When Required For The Conveyor Bcn - 1A/1B, Bcn - 2A/2B, Bcn - 3A/3B And Ilms 1 And 2 And Contingency Reclaim Belt Conveyors -1 And 2 In Mm- I Sub Division In Mm/Chp/Btps For The Period From 01.04.2026 Or From The Actual Date Of Commencement Of Work To 31.03.2027