need some info for my parents to come to usa.

[immihelp]

HI,
i am currently doing my MS in TAMU_commerce, usa.
I am going to graduate this May-2007, i would like to invite my parents to usa for the graduation Cermony, so i would pls like to know what is the procedure for this applting the visa in the usa consulate in chennai and what type of visa shd they apply for the visit to usa, and more over what r the documents they need to provide at the time of interview in the usa consulate in chennai, and can u pls tell me the procedure to apply fo rthe visa interview.
Thank you,

[immihelp]

Read https://www.immihelp.com/usa-visas/visitor