Traders and Engineers emerges as the L1 bidder for implementation of two packages of sewerage and drainage project under Kolkata Municipal Corporation Sustainability, Hygiene, and Resilience (Sector) Project in West Bengal August 5, 2025 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater Traders and Engineers Private Limited emerged as the lowest (L1) bidder for implementation of two packages of sewerage and … This content is restricted.