Airtel — airtel got headache

Address:

Bharuch, Gujarat, 392001

Free data offer by airtel. When we accept and used data, airtel generate 33538rs bill. And cant help office staff and can't calling to customer care one121 because on system blocked. I was complain network regarding last 2 months but thay are failed to attend.
In last very bad experience with airtel company, office staff & also customer care.
Plz do needful to shot out issue. And deduct fake amount. I attached airtel app screen shot. Its hightlight data balance till date.