Airtel — To deactivate Airtel AM-AIRING service as it deducted Rs 1/- for omble cntst

This morning I received a message from AM-AIRINF that Rs 1/- has been deducted from my Airtel mobile account for using onmble_cntst.
I am not aware of this service/plan nor have I ever opted for it.
The same has occurred for my father's mobile number as well.(Please reach out to me for obtaining their phone number)
Please stop this service & refund the amount.

SMS Text Message received:(September 5th, 2022)

Thanks for using ONMBLE_CNTST. You have been charged Rs 1.0 from your Airtel Mobile account.For more services, call 56789