Vedic Wastewater Management emerges as L1 bidder for the implementation of Mahananda River STP Project July 27, 2022 | Key Segments, Municipal Wastewater, Project Bidders, Project Updates, Wastewater Vedic Wastewater Management Private Limited has emerged as the lowest (L1) bidder for implementation of the Mahananda River Sewage Treatment Plant (STP) Project in the state of West Bengal. This content is restricted.