There are many categories for US Visa’s. To get the Student VISA the procedure is as under.
Get the true copies of all your academic documents (10th, 12th, Graduation, Master Degree) with the true copies of their mark sheets and 2 recommendation letters from school/college.
Apply to your selected Universities and get the I-20.
On getting your I-20, be appeared for the interview preparation classes and apply for the VISA.