What Causes Severe Sweating On Hands And Legs?

Hi,

I am vibin from india and i had sweat problem in my hand and leg alone.

When ever i feel my hand and leg going to sweat then it's getting started then i can't control it.
<I had this problem my childwood so can you please help me out to slove this.
>Proble accour:

Drving, with with machine .... simply say any activity...