Shubh Nivesh — google playstore purchase money deducted from account but purchase is still unpaid

I have spend inr 99 to buy poweramp full version unlocked through online banking of state bank of india. The money was deducted from my account but the app isnt available for me to download as in playstore it still says 99. Please refund me or give me the app on my google account [protected]@gmail.com. I am really concered please help me i have been thinking about buying this app for a long time and when i finally had the resources to buy it this is how it end. How can i risk another attempt to buy this app if i dont know what happened atlease so please atlease reply to this complaint with the reason of the problem and please contact me fast as i cant live well without music.