My H1B Appoved in premium processing and came to india

My H1B is approved in premium processing on april 2013.

I came to india in month of May.

Then what happens to me in visa stamping?

Iam planning to have visa stamping in month of september in mumbai

Thanks in advance!

You need to appear for visa stamping w/ all the necessary documents and information. Once approved, you can travel to US at most 10 days prior to H-1 start date.