Internet Issue

Hello friends, I have installed net+ internet in my house and the package is 100gb with a speed of 20mbps, for a month. It's not even a month, mainly 20 days approx and the company is saying I have consumed my 100 GB data package. Is it possible?
I am using only in the evening from 8 to 11pm daily. Other times, the router remains switched off, even I plug out the router. I am confused how it is possible. Even if you say someone else is using it, then it is not possible. Because it remains…

Internet Issue