Bank Of Baroda — Someone (fraud) hack my bank account

Address: Rajkot, Gujarat

Respected Sir, I received one call from [protected] He told me that he is SBI Branch Manager & added that Your bank account will be close and he is provide new Pin of my ATM card than i told him that i Have no SBI Bank Account & i have Bank Of Baroda (BOB)...suddenly he disconnect the call. After only 7 minutes i got 5 transaction messages from Bank Of Baroda. I lost my 20000/- rupees. Please help me and take strict action against it. Thank You.