Ola Money - Zipcash — fraud money transfer from a sbi atm to ola money zipcash

Hello. Today, early morning my father recieved a fraud call from a man designated himself to be a bank employee mr. Deepak sharma from kurla, mumbai called my father from number [protected]. Asked my father to provide him with the otp that he recieved on his phone or else his account will be blocked as it is not linked to aadhar card. He convinced my father and he provided him with the otp and the transactions-
1) rs.2000 on pos payust[protected] at ola money zipcash txn#[protected].
2) rs.900 on pos payust[protected] at ola money zipcash txn#[protected].
3) rs.1999 on pos payust[protected] at ola money zipcash txn#[protected].
These 3 transactions were made using sbi debit card ending through 0242. Kindly, please return back the money. All the payments have been made fraudly. Please, help us and return back the money.
Please block the account linked to the number [protected].
And please help us.