Here are some useful details, which will be very useful for your stay in USA.
Consulate General of United States, Mumbai, India.
http://mumbai.usconsulate.gov
United States Visa Application Centre in India.
www.vfs-usa.co.in/Home
United States Department-Visa Services.
www.travel.state.gov/visa
Study in USA.
www.educationusa.state.gov