How do you get charges back off of your bank account?

For cash back claim (if true), you have to register or claim the cash to your issuer bank/branch.

Your Bank's needed transaction details such as Date of transaction, Transaction Number, ATM Bank name, and withdrawal amount (full amount) or claim amount (In case of part dispensed by ATM). If you have a slip, provide the same and keep a copy of the same.

As per the RBI guideline, the bank/branch has to settle the cash claim with in 12 days after the date cash claim by you.

If bank/branch not settle the claim with in the 12 days, bank/branch has to credit Rs 100/- per day to customers account till claim is not settled.-- (dk)