Should i carry original i797 while traveeling to us on h1b

Hello this s meherprasad polisetty. From Hyderabad .last week my h1b got approved . planning to leave to us on next question is that.should I carry i797 original instead of copy …because my employer holding my i797 original .is three any problem with traveling with i797 copy on h1b

Please give the reply asap .