National Board Of Examination — money deducted, but payment pending

While filling up my neet pg 2019 form on 2.11.18, i paid rs 3750 from my sbi net banking with transaction id attached herewith. The money was deducted from my bank account, but it showed payment failed, please contact administrator. I had to repay after about 3hrs as seats were decreasing, which was successful. Please guide me and ensure me as to how i can get back the above said amount asap.