Navita Nirman, The Road and Roof Projects submit bids for implementation of Parama Island – Vidyadhari River Drainage Channel Improvement Project in West Bengal June 15, 2026 | Key Segments, Municipal Wastewater, Project Bidders, Project Updates, Wastewater Navita Nirman Private Limited and The Road and Roof Projects have submitted bids for implementation of Parama Island … This content is restricted.