HDFC Bank Bank Platinum Plus Credit Card — Wrongly Charged

I had tried to book Rail Tickets by using IRCTC Site with my Credit Card no. [protected]. But, for some technical reasons, the Ticket was not issued, however i received message in my cell no. [protected] that my card has been charged for the following:
dt. 24.4.09 Rs 10215.00
dt. 25.4.09 Rs. 2350.00 and 2050.00.
please confirm and rectify from your end, as some technical fault is carrying on in IRCTC Site.