IRCTC down reason: Why users are repeatedly facing 'Unable to Process' message while booking train tickets today

Why IRCTC website is showing 'unable to processs' message: IRCTC users are facing repeated “Unable to Process Request” errors and booking difficulties as demand for festival-season train tickets rises. While IRCTC and Indian Railways have not confirmed the cause, the surge in booking traffic could be putting pressure on the ticketing system.