Indian Railway Catering & Tourism Corporation [IRCTC] — no refund of failed transaction

On 26th april 2018 i booked round-trip tickets from ndls to ald and vice versa via my rupay card with transaction id: [protected] and [protected] respectively. Rs. 450 was deducted from each transaction of my account but due to transaction failure ticket didn't get booked. It's been more than 10 days the refunded amount has not been credited to my account yet.