This Eastern Railway e-tender notice invites bids for three different infrastructure projects, including air quality monitoring equipment, dual detection systems, and track renewal.The tender value for the first project, a goods shed, is ₹1,60,88,739.75, while the other projects are valued at ₹49,78,618.75 and ₹48,59,384.54 respectively.Interested parties must submit bids by the closing date of June 28, 2024, at 12:00 hours.Complete details and bidding documents can be accessed on the official Indian Railways e-procurement website, www.ireps.gov.in