Ola Cabs / Ani Technologies — unknown person used my card

Address:

621804

My father is a victim to fraudulent of one transaction of of rs. 9999/- twice on 05/07/2018 from my father's account using debit card ending with *2071. The person said his name as Vijayakumar from SBI, Chennai branch and speeked like that ur debit card should be replaced so provideno and he asked otp in further continuous talk. But latter my dad got messages likw below:
"thank you for using your sbi debit card for a purchase worth rs9999.0 on pos 80412408 at Olacabs Payutxn#[protected]. And "thank you for using your sbi debit card for a purchase worth rs9999.0 on pos 80412408 at Olacabs Payutxn#[protected].

Please block the ola money account used to make a fraud and refund the amount to my father's account from where amount was debited...