what documents do i need to ask my parents to bring from india for filing their GC

[cranky_jutt]

hello,
My parents are coming to USA on visitor visa and i am thinking of applying their GC when they are here. what documents do i need to ask them to bring with them? i already asked them to bring my birth certificate and their marriage certificate. is there any other document that i need them to bring with them?

 

[Triple Citizen]

This is preconceived intent. Go through consular processing.

My parents are coming to USA on visitor visa and i am thinking of applying their GC when they are here.