H1 B approval notice - mail time

Hello Saurabh,

Yesterday my H1 B case approved. After converting it to premium procssing one week back.

I would like to know usually how long does it take to receive I-797 Approval notice through mail.

I am eagerly waiting to go for the interview. my company will not book interview slot with out I-797 original copy.

Please help. So that I can plan things accordingly.


Minimum 7 days it will take to reach the approval notice.