Irctc — auto cash deduction

Address:

Bangalore, Karnataka

Dear Sir/ Maam I booked my tickets on 8th February 2015 at 10 am by tatkal quota, made the payment by my SBI debit card. After sometime at 10:56 am 348/- got cut from my SBI account for I don't know why or for what. The message I received on my cell phone for the cash deducted was: "Purchase worth 347.44 /- on pos 22319097 at oxicash- billdesk Mumbai IND taxn #[protected] 10:56 am 08/02/2015" Please assist my issue as soon as possible. Thank you