Mobikwik — amount deducted and transaction failed but still no refund

Address:

Indore, Madhya Pradesh, 452010

I did transaction on mi india we site, purchased mobile worth 14000 but on payment page of mobikwik it failed and amount deducted from my card but still there is no refund waiting from last 15 days, even there is no customer care number, very bad service very weak company and application buggy
I did transaction on 8th may from my mobikwik account - [protected]on mi.com worth rs - 13785, please help me to get refund as soon as possible