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 ...

IRCTC not working: Train ticket booking users flood social media with 'unable to process request', say new website is worse than before

IRCTC Down Today? IRCTC users have reported repeated “Unable to Process Request” errors, slow loading and booking failures ...