[Resolved]  Central Board Of Secondary Education [CBSE] — transaction failed to process

Dear Sir, On 06/11/2014 i made online fee payment for NET examination(December, 2014), of Rs.450/- through my SBI Debit card. My transaction was failed with error "Reasons: sorry!We are unable to process your transaction.Please contact us at [protected]@billdesk.com for any queries". But the payment is done successfully and the amount is debited from my account.So what should I do now? Please reply me at my e-mail or mobile no mentioned below. Thanks & Regards Debasis Mandal e-mail id- deb.[protected]@gmail.com phone no - [protected]