Airtel — fixed landline billing and not responding and abusive language

Address:

S -18, D - 242,Sector - 63, Gautam Buddh Nagar, Uttar Pradesh, 201301

We have airtel fixed line network connection in litost india pvt. Ltd. And received bill just hike from regular usage and no information airtel provided us two nos. [protected], [protected] of the employee but they never responded and not picking up the call and if we are calling at airtel's complaint no they put us on hold for a long time. And airtel' employee talked to me very rudely. Please look into this matter