PWD invites bids for day-to-day operation of chiller plants and package type AC systems under R.G. Kar Electrical Section-I for FY 2026-27. Tender ID: 2026_WBPWD_5016879_1 Bid Closing Date: 27 July 2026, 01:00 PM Contact Details: S. Chakraborty, Executive Engineer, KNHED, PWD Website: WB Tenders Portal Location: Kolkata, West Bengal