Airtel Internet — Regarding flase bill

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201301

Dear sir, I am the user of your airtel postpaid no [protected] and i have received the bill of 8015.63 rs, and after going through this bill details i saw that from 14/12/2015 to 22/12/2015 unusual call details is showing which include local, std, isd and gprs usage while I stop using no from 2/12/2015, and i also inform you that my credit limit is only 5000 rs so hw i could go beyond this i m really surprised to see this. please help me for resolving this problem i already registered a complaint of this and reference no is 66986801. i m waiting for your valuable reply. Thanks Santosh Kumar [protected]