Stock Options

I have a question regarding the stock options tax in india.

Here is the case
1. I was working form a company in the USA from 2000 to 2006, was issues stock options when I joined the company in 2000. I moved to India in 2006, I am now working for the same company in India. When I exercise/sell my options how the tax work.
1. Will I be taxed in india and US

Thanks