I have booked a single dropbox appointment for me (primary applicant-H1B) and my dependents (H4) through my CGI profile. Me and my family are currently in US. Earlier we had all planned to go so could have done dropbox for all together. Now due to change of travel plans, only my dependents are going to India. My question is - can they submit their documents in same appointment without me? What will happen to my appointment and my fees payment? Will my appointment be marked as ‘unused’ or will it get cancelled forcing me to start the process again?