Where does chai come from?

From Palampur Tea Gardens! (among others)

Palampur, the town where I live and work, is known for the tea gardens that suround it. The gardens are own by one man who had a clever great grand father (I don't know if it is all of the gardens or just many cause I don't always understand everything when I talk to Indians). The great grand father managed somehow to retreave all the land around Palampur from the British and now the great grand son is a very wealthy man.
The town also have it's own tea factory. The tea "industry" employes about 500 people in this area. First the new tea leaves are picked from the gardens and taken to the factory where it is dried in big containers by hot air. And then I don't really know much more then what my pictures show, but it is probably possible to find out on the internet...
Well, the first weekend we visited this factory and they let us come in and look around.