Paytm.com / Times Of Money — times of money limited google play purchase

I purchase a ebook via google play and the money was deducted from my bank, but i did not get the purchase i paid for and i didn't even receive the receipt. But the amount is debited from my account and not yet refunded. Kindly look into this matter and resolve issue and please make sure that the amount is refunded. I've attached the proof regarding the payment.