Please Contact Complaint Centre of Bharti Airtel Ltd. (Airtel), Madurai, Tamilnadu at (a) 198 (Toll Free) (b) For Chennai: PostPaid- 9840012345,Prepaid-9840198401 (Toll Free from Airtel Mobiles in Home Network) ( c) For TN : PostPaid- 9894012345,Prepaid-9894198941 (Toll Free from Airtel Mobiles in Home Network)