I play rainbow six siege Uplay ID- Jatin_RaoPlease provide the screenshot and the plan details. How come we are supposed to know the answer when your question is incomplete?
since you said there was some working going at the exchange that could also be one issue. i had the same problem a few months back and when i booked a complaint they said some work is going at the exchange that is why speed issues and disconnections issues happen. they can happen due the port your connection is in the exchange and also due to the issues with the line.Are you sure about the line wire is the problem for slow internet speed