Construction work on strengthening of tertiary treated WSS in left-out areas of Chandigarh to complete by April 2025 June 13, 2024 | Key Segments, Municipal Water Supply, Ongoing, Project Updates, Water Supply The Construction work on strengthening of tertiary treated (T.T.) water supply system (WSS) in left-out areas of Chandigarh is likely to be completed by April 2025. This content is restricted.