Mobikwik — unauthorized deduction of 2020/- rs

Address:

B 146 Jogeshwari society, Nr Bharwi tower CTM, Amraiwadi, Ahmedabad, Gujarat, 380026

With reference to above mail, rs 2020/- was deducted from my account without my concent for paying bsnl landline bill. My mobikwik mobile no was [protected].
I have raised complaint within 1 minutes of transaction.
Now i have recieved mail from your end saying that you have to raise query to merchant. Now something fraudulent happend and it was raised within 1 minutes and the medium was your mobikwik channel. On what basis i raise query to merchant because i dont i have details of third party.
If you are not able stop transaction witthing 1 minutess of transaction why you are sneding mail link saying report for an issue. This is toatlly unprofessional and do needful.
Details of transaction is as follows

This pending transaction has now been successfully processed. Below are the transaction details:
Account no. [protected]
Operator bsnl landline - individual
Category landline
Updated wallet balance ₹ 1704.08
Total wallet balance* ₹ 1800.88
Transaction date aug 24, 2019 (Saturday)
Transaction id mk[protected]
Total payment ₹ 2020.0
Paid via wallet : ₹ 2020.0
Paid via payment gateway : ₹ 0.0