Southern Railway invites online tenders under reference ME29IISC-Hirect-2026R2 for a three-year comprehensive maintenance contract. The work covers out-of-warranty 25kVA Hirect inverters fitted inside AC coaches, with an estimated project value of ₹8,25,38,973. Bidders must complete online applications by August 12, 2026, at 3:00 PM on the portal www.ireps.gov.in.