Back to India after changing Employer, Can I comeback with old VISA?

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Hi All,

I came to US with H1B sponsored by Company A and worked for 6 months. Then changed job to Company B and H1B transferred to company B. Now Company B laid off and I got no job right now. If I go back to India and get a job in Company A, Can I come to US with old VISA (which have validity for another year) sponsored by Company A? I believe, Company A needs to file fresh I-129. Any idea?

Thanks in advance.