VA Tech Wabag emerges as L1 bidder for construction of desalination plant at Nagapattinam, Tamil Nadu October 27, 2022 | Awarded, Desalination, Key Segments, Project Updates VA Tech Wabag Limited has emerged as the lowest (L1) bidder for construction of a desalination plant under the 9 MMTPA Cauvery Basin Refinery Project at Nagapattinam, Tamil Nadu. This content is restricted.