PhonePe — To refund rs 4999 cut from failed transaction

I used phonepe apps for a while. And it was a very useful apps. Most of my transcation was through this apps. But on 11 August 2020 5:56pm while trying for many times to transfer some money for house rent. I might by accident hit something. But i could not check the balance since for few days there is UPI problems. When i could check the balance after sometimes rs 4999 was already cut. But in history its said failed transcation.
So please do take the matters and kindly refund the money. I will be very glade and would advice to all my friends to used phonepe. Yours faithfully
Joseph Lalsiama