GSJ Envo emerges as L1 bidder for implementation of 30 mld STP at Nevta in Jaipur April 13, 2023 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater GSJ Envo Limited has emerged as the lowest (L1) bidder for the implementation of the Nevta Sewerage Treatment Plant (STP) Project in Jaipur City in Rajasthan. This content is restricted.