First of all read this:
Originally Posted by yogesh605
how to join open source project? what is procedure?
In the above link, I found this interesting:
Before trying to join an Open Source project you should try to start your own. Even if it's a small project or just a library. Just something simple but yet useful. Then announce it on your blog and on some social sites. If you're lucky some people will also find it useful and start using it.
Second, the following pages lists the various open source projects, study and examine it very carefully and in detail:
get started with their mailing lists
: talk to the people there (technical discussions).
and last of all read this till end