Allahabad Bank — to get the money back of failed transaction

Sir i am ashok kumar. On 13 september i went to pnb atm to withdraw the cash and i transact 2000rs twice but both the times my transaction was failed but my account is debited with 4000rs and i did not get this money back in my account. After that i complain the customer care 2 or 3 times but still they are not resolved my problem. So sir please resolve my problem. My account number is [protected] and ifsc code is alla0212205