Description: PWD Kolkata IT Division invites bids for annual maintenance of LED video wall, information kiosks, audio-video systems, firewall, UPS, and allied IT infrastructure installed at Kolkata Information Centre. Tender ID: 2026_WBPWD_5016488_1 Bid Closing Date: 29 July 2026, 3:00 PM Contact Details: Executive Engineer Kolkata IT Division, PWD Writers' Buildings, Kolkata – 700001 Website: www.wbtenders.gov.in