I did not even have birth certificate and no aadhar or voter id etc. I only submitted old indian passport for proof of relationship. After submitting that I received Sponsorship approval.I was aked to submit proof of relationship to my father. I already submitted the birth certificate. I only have an old Indian passport showing his name as my father. IS this good enough? I left India long back and I do not have aadhar card, voter id etc, My school certificates also don't show his name