Tata Consulting emerges as L1 bidder for providing consultancy services for Guwahati Sewerage Project May 31, 2024 | Key Segments, Municipal Wastewater, Project Bidders, Project Updates, Tenders, Wastewater Tata Consulting Engineers Limited (TCE) has emerged as the lowest (L1) bidder for providing consultancy services for sewerage project in Guwahati, Assam. This content is restricted.