Four firms submit bids for implementation of Giri Nagar, Kadavanthra Underground Sewage Network Project in Kochi, Kerala January 2, 2026 | Key Segments, Municipal Wastewater, Project Bidders, Project Updates, Wastewater A total of four firms have submitted bids for implementation of Giri Nagar, Kadavanthra Underground Sewage Network Project in … This content is restricted.