Airtel — Airtel mobile num network problem

Address:	Chennai, Tamil Nadu, 600056
Website:	air tel customers care

Hi this my mother num [protected]
Last four days not working this num
But other num my father num [protected] is same problems.
Lot of people using in air tel num in my area is not working all numbers call any numbers but only be if sound called end
No out going calls no incoming calls but only going message