PWD Kolkata Electrical Division has invited an e-tender for triennial routine, preventive and breakdown maintenance of electrical installations at Writers’ Buildings, including the electrical substation and security/compound lighting. Tender ID: 2026_WBPWD_5018504_1. Submission closes on 01 September 2026 at 1:00 PM. Contact: Executive Engineer, P.W. Directorate, Kolkata Electrical Division Website: tenders.wb.gov.in Location: B.B.D. Bag, Kolkata, West Bengal