The mail attorney sent was lost in transit . It had my I797 . I need to attend the chennai consulate for visa renewal( 3 yrs still left). Can i attend the consulate with the copy of I797 and supporting documents that say a duplicate was applied for and a letter from the company .Would it to be problem at the port of entry. I am also getting married. So can my wife attend for H4 visa . I appreciate your response.