Tez App — account debited and account not credited

I have done 50 rs transaction from tez app. My upi id is[protected]. My account has debited but amount not credited to beneficery account. No solution has given to tez. My amount has debited to my account no[protected] of canara bank. My name is ramesh chand dubey. This transaction is done on 25 sep 2017. I have contacted to tez app customer care many times and always get negative reply.