WB HIDCO invites tenders for operational maintenance of the TU-142 aircraft along with housekeeping and sanitation services at AA-ID, New Town, Kolkata, for one year. Bidders should have experience in similar works from a Government organisation. NIT No.: 14 (2nd Call) of G.M.(E)-I of 2026-27 Last Date: 19 August 2026 at 2:00 PM Contact: General Manager (Engineering), WB HIDCO Website: wbtenders.gov.in / wbhidcoltd.com