I-751 applied one year extension

[immigration123]

Hi all,
Wnat to know that after we applied for I-751 and after they accepte our application they will send one year of our GC extension can we travel to india with that extension or do we have to stamp that extension?

can't we travel with our expired GC + extension letter?

Your expertise advise is greately appreciated.

Thanks.

[immihelp]

You need to get a stamp in your passport.