United Bank Of India [UBI] — transaction failed but money deducted from my bank account

Yesterday, that is on[protected], while filling up of form for all india institute of medical sciences pg courses md/ms/mch/dm/mds 2018 exam, rs.1002.5/- has been deducted from my account which is in ubi, jawaharlal nehru road, kolkata branch, inspite of the fact that 'the transaction failed'. I will highly obliged if you kindly look into the matter and do the needful to refund my money.