Irctc — ticket booking via irctc got failed but amount credited to irctc

Address:	600044
Website:	IRCTC ticket booking app

I done a transaction for rs.628 through irctc for online ticket booking. Transaction got failed due to payment failed. But when i liaise my bank they gave and confirmed payment has been accepted and credited at your end. For reference they provided me auth no :x18596 which is acknowledged by irctc.
I request you please refer my screenshot below, advise me why the transaction got failed my bank confirm you have been credited the amount which is given below.
Please advise why this error restricts me to process transactions.
Transaction amt rs.615 +13 for processing total=rs.628.
Transaction date 31 aug 17, via irctc ticket booking app.
My contact 91-[protected]