Airtel — mobile bills without usage when zero network

Address:

Indore, Madhya Pradesh, 452001

Airtel postpaid mobile account number: [protected]
Their are 7 postpaid mobile numbers in the connection, indore, mp

Their is no network from past 6 months

Complaint for the same raised with airtel from last 3 months atleast

Complaint remains active unresolved till now,

4 out of 7 numbers is account have zero usage, zero incoming zero outgoing zero sms zero internet as their is no network at the location, to be able to use the mobiles. ([protected], [protected], [protected], [protected])

Airtel is still just asking for bills without any usage, zero usage, when their is zero network and complaint of network also un resolved from 3 months,

How can company charge when zero network zero incoming zero outgoing, making a fool of the customer. Kindly help remove bills charges for zero usage zero network 4 numbers