USA visa on expired passport - travel with new passport

[chintu.pintu]

Hi,
Currently i am travelling to US from india.
I have valid US visa stamped on old passport which is expired. I got reissue of new passport which has old passport number mentioned in it.
Is it ok for travelling, i have to carry both both old and new passport?. Apart from do i have to do anything else to get it visa transferred on new passport?

Regards,
Chintu
 

[jairichi]

Just carry both passports and supporting documents.

[JoeF]

The visa in the old passport is valid until it expires.

Showing the new passport and the old one with the visa is the way to travel. Lots of people, me included,, have done that.