PhonePe — unauthorised money deduction from my digital wallet.

I am vivek mishra and i am a student. The company "phonepe" sent me a notification on my mobile and provide a cash winning offer on phonepe app, request me to click on link for cash winning. They were deduct 3990 rs from my digital phonepe wallet first time and again call on my phonepe number and saying me that it is a three step processo do it again 3 more times because of the fear of my deducted balance i was doing as it is, and they were deducted again 3990, 9990, 8990, 8990, 1900 rs consecutively.
This incident happen today (01/02/2020) nearly at 11:00 am.
My contact number is - [protected]
I'm wanting to refund my money as soon as possible