H1b-I797 c

[skoduri]

Hi,
Please advice on this:

Company A (full time) and H1b approved and got visa stamping thru this company and valid til august 2012.company B(full time), h1b approved and working since last one year
company C (full time), h1b approved, join date in november.
If i go to india in october, DO i need to go to visa interview?? will there be any problems,
which company visa should i get stamped? or would i have any problem at POE

Thanks.

[shervin143]

You can use the existing visa with the current company's approval notice to re-enter U.S.