Vodafone Idea — Unauthorized deduction from account balance

I received an SMS at 2:48 a.m. on 27/08/2022 from 'VZ-ViCMS' stating:
"Hello!
Thank you for choosing to access Telesync Games,
You have been charged Rs. 10
Your balance is Rs XX"

I have not made any request from my end to subscribe to the said service. Upon googling, this seems to have happened to quite a few people.

I request a refund of the deducted amount.