PHED invites bids for operation and maintenance of different floors and campus areas of Jalaswasthya Karigari Bhawan for 12 months. Tender ID: 2026_PHED_1029667 Bid Closing Date: 22 July 2026, 02:00 PM Contact Details: Executive Engineer, Resources Division, PHED Website: WB Tenders Portal Location: Salt Lake, Kolkata, West Bengal