Paytm Mobile Solutions — deduction of money from my credit card without information

Address:

505453

I have applied HDFC credit card through online application on 2nd of August 2018, received on 9th of August and activated. Unfortunately 371.25 deducted on 25 July towards PAYTM Mobile solution from my HDFC credit card.My credit Card number 485498xxxxx1736. I never even installed Paytm APP in mobile or PC. How can they deduct. I never used Paytm service even.
Below the deduction message from Paytm
Hello! Your A/c no. 855718 has been debited by Rs. 371.25 on 25Jul18. The A/c balance is Rs. 53149.19.Info: INB/[protected]/PAYTM MOBILE SOLUTIONS PVT.

I haven't did this transaction. How its deducted without my knowledge. Please refund back as soon as possible