I am planning to go for H4 interview with my mother B2 Visa Interview in Next year. I am not sure what is the procedure for that. I saw in cgi portal if you add applicant there is no place to mentiom b2 visa category. If anyone know this please let me know. I am doing this bcs my mother is 67 years old and she will not handle Interview properly. If someone have solution please let me know.