The Northeast Frontier Railway invites e-tenders for a 2-year maintenance contract of RMPUs in SG AC coaches at Guwahati depot; the tender value is ₹1,27,83,022 with an EMD of ₹2,14,000, and final proposals must be submitted online through www.ireps.gov.in on or before 03-07-2026 by 05:00 PM.