Airtel — over charges for not used facility

Address: 400067

Website: Www.airtel.in

I was charged extra for consistent 2billing saying that you did not activated service and over used of said service. I am registered with myplan 299.in that i activated calling, data, and roaming plan for june-july billing cycle.in calling pack says all national and local calls free, despite of that they have charged me for landline call and in roaming pack according to them that was not activated i do not have proof for that.in july-aug bill they have carry forward me 9.6mb data as per their so called add
Charged me extra for data usage. How is that possible? And landline calling charges extra. This guys make people fool