PhonePe — regarding the refund of amount rs 31300/-

Myself Mukesh Kumar, SBI Account Holder, A/c No. [protected].I want to ask you a query which is mentioned below..
I had transferred amount of 31, 300/- through your app (Phonepe) in my brother's account(Canara Bank A/c Holder Name-Raj kumar, A/c No.[protected] on 20/01/2019, but transaction was failed and deducted from my account and the same, not credited in my brother's account too.