Northeast Frontier Railway invites online open e-tenders for archival research and identification of land associated with Darjeeling Himalayan Railway (DHR) / Cart Road. The work must comply with CCMP, ICOMOS, and WHC guidelines. Tender value is ₹1,12,10,000 with an EMD of ₹2,06,050. Submit bids through https://GeM.gov.in by 20-08-2026 at 12:00 Hrs.