ACT Fibernet — Showing you crossed the limit

Address:

Nellore, Andhra Pradesh

Dear sir,
My act net id : 10906819
Name: p.sivateja
Without using the net. It crossed the 20 gb data. Now the speed is very slow. This happened in December also. And this is the second time in february. What is this. Who using my data. I am paying money.but someone else using it. In act portal it is showing more than 20 gb. And the speed is worst. Please take immediate action. And give my data according to my own plan. Waiting for your reply. I already call customer care.they said that "you use 6 gb only but it wrongly updated". And they gave helpdesk mail id.I sent many mails.but No reply. Pls provide my data. Waiting for your reply.
Thanking you.