H1B validity if I quilt job in US and go back to India

I am currenlty on H1B in US and my visa is valid till 2016. I want to quilt my curent employer and join another employer in india.

I want to know will by visa be still valid or my current emloyer will cancel my visa. Will my new emlyer ned to transfer visa before I quit current emloyer of it can be dome once I go back to india nad join new employer