JV of Traders & Engineers-GSJ Envo emerges as L1 bidder for implementation of 50 mld Keorapukur STP Project in Kolkata, West Bengal November 20, 2025 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater The joint venture (JV) of Traders & Engineers Private Limited- GSJ Envo Limited has emerged as the lowest (L1) bidder for … This content is restricted.