🛠️ Metro Drainage Construction Tender | GT Ref No: 136429845 🏗️ Irrigation and Waterways Department Urban Drainage Division has invited bids under Wbiw/Ee/Udd/E-Nit-02/2026-27 /Sl-4. 📍 Location: West Bengal, India 📅 Tender Release Date: 21 May 2026 ⏳ Submission Deadline: 04 June 2026 📌 Category: Construction Work 🆔 GT Reference Number: 136429845