Airtel — regarding my bill plan

Address:

682302

My no is [protected] my current bill plan is 199 and1gb data for one month after 1 gb it will cut off automatically since i was not here iam not using this but the bill paying so iam not able to check the plan but this month i check why my mobile charge is so high so i check the plan it is 349 plan when i call customer care that lady said i change it in feburary no idea please do the need ful i need my earlier plan otherwise i has to change the connection.
U can check my connection it is past 15 years ago. Since ur service is very poor i did not cancel it mostly we dont have any range since it is an industrial area