Can someone please help me my query : i stayed in USA for 2 years in H4 visa, at that time i attended personnel interview now i am in india and H1b got approved, do i need to go for personnel interview again or drop box? can someone suggest, while booking for slot i am getting only drop box
Based on the interview waiver criteria you may qualify for IW aka dropbox however it is at consulates discretion and they may still call you for an interview.
If the application system says you qualify for dropbox, you must go ahead with that and see if they call you for an interview.