Northern Railway invites open e-tenders for the design, supply, installation, commissioning, and testing of an Industry 4.0 Wireless Error-Proof Torquing System with customized software for LHB coaches, including a 3-year post-warranty AMC. The tender value is ₹3,16,28,563.06 (EMD: ₹6,32,600). Submit digital offers via www.ireps.gov.in by 25-08-2026 till 16:30 Hrs.