State Bank Of India [SBI] — Didn't receive the refund of failed transaction

Address:	Durg, Chhattisgarh, 490024
Website:	www.psc.cg.gov.in

I'm student need to pay the exam fees of cgpsc of Rs.417.
I paid the Rs.417 on 21 January through netbanking with transaction id : IG0BISLEG3 and Reference number : DTE1601210008292016012116IG0BISLEG3. Amount is debited and but Transaction did not get authorized. I filed a complaint on sbi against complaints number : PT[protected].
Sbi customer service representative told me to repay the fees saying that it will get refunded to my account. I waited till I see a msg prompted on the login page of cgpsc application form saying your last transaction was unsuccessful please repay the exam fees. Then I paid the same Rs.417 on 23 January through netbanking with transaction id : IG0BIZERL5 and Reference number : DTE1601210008292016012307IG0BIZERL5. This time transaction successfully authorized. And Amount of rs, 417 get debit completing the payment. You can observe my cgpsc user id : DTE[protected] is same in both the reference number

I just received a msg resolving unfairly by state bank saying your complaint has been attended to and closed after resolution as:It has been observed that your transaction has been successfully placed contact to your merchant.

CGPSC told me contact bank,
for the same transaction I had to pay twice and not received the refund of 1st transaction as said by state bank support representative.

I don't know what to do. I again registered the complaint in sbi with id : CS[protected]

The details account statement of the transaction is in the link:
[http://www38.zippyshare.com/v/GiQcUgMe/file.html]

Please help me to get the refund.