Ah, sad news. After almost year of using TORQ X5 mouse scroll wheel button (not the scroll wheel itself) stop working. I mainly use it for opening links in new tab in browsers.
 
Now I back to old A4Tech mouse which I use before about 5-6 years without problems. God, how loud his scroll wheel button! And TORQ X5 was far more comfortable for my hand. So maybe I win it some giveaway)

Sajin
You should be able to rma the mouse if it's still under warranty.

Unfortunately it's not(