Osmania University — UPI money transaction successful but my confirmation is not done

Address:

Svg degree college hyderguda Hyderabad

I had paid amount to dost web for seat confirmation on 4 Nov 2020
Amount taken 500 and 500 two transaction but site is showing failed but in my UPI amount is successful
Please return my cash the transaction I'd is[protected] and[protected] is my paytm reference I'd so pls so many days had send my cash quickly