Hydrotech-Rajan JV, SR Paryavaran-GA Infra JV shortlisted for implementation of Derabassi I&D and Sewage Project in Punjab May 13, 2026 | Key Segments, Municipal Wastewater, Project Bidders, Project Updates, Wastewater A total of two firms have been shortlisted as technically qualified for implementation of Derabassi I&D and Sewage Project under … This content is restricted.