How to create a facebook badge???????
Hi kuldeep master. Use Photoshop.
(If you want a fuller answer, ask a fuller question.)
If you are referring to creating a badge that you can embed on your site, you can just go to Facebook and get the code for these.
More info here,
Hope that helps,
This forum is focused on Social Media content. Please look in Facebook support to learn how to download or create Facebook add ons and plug ins.