This East Coast Railway tender notice is for a comprehensive annual maintenance contract for electronic interlocking systems from Medha at various stations.Tender Value: The estimated cost is ₹4,50,91,848.Duration: The contract covers a period of 36 months.Deadlines: Bidding starts on 31.07.2026, and closes at 1100 hrs on 14.08.2026.Submission: Only electronic offers submitted via www.ireps.gov.in will be accepted.