Pls.....Help

[sireesha]

i am on H1 status in US.my son is in india, he born in india only. my sons age is 2yrs 6months. we want to bring my son to U.S with my aunty. my son and my aunty doesn't have the visa, they are going to visa appointment.FOr interview what are the documents i should send to both of them.
pls.......let me know what are required documents for my son(H4 VISA) i should send to india.
pls........let me know what are required documents i should send to my aunty](my wife's father's sister)(VISITORS VISA) to india.

thanks in advance for ur valuable information.