what is the process of usa visa?

Hi, In order to apply for the US visa, you would need an admission offer in your hand as well as receive the I-20 document from the university. Once you have an admission offer and I-20, you can apply for a visa interview by: a) Filling the DS-160 and taking out bar code print out b) Taking bar code

http://www.usvisa.in/how-to-apply-us-visa.php. use this link to get details in your hand