The Principal Chief Engineer, Metro Railway, Kolkata invites e-tenders for a 24-month Zonal Contract for the upkeepment of Yellow Line structures from Noapara to Jai Hind stations featuring an approximate project cost of Rs. 83,90,673.09; electronic bid submissions close on July 10, 2026, at 12:00 PM, with documents and required earnest money details accessible via www.ireps.gov.in.