For Studies in USA to get the information about visa
visit the website
http://chennai.usconsulate.gov

For obtaining the applications for higher studies in USA,
visit the websites,
http://www.collegenet.com
http://www.embark.com
http://www.ed.gov

For studies in America, visit the following web sites
http://educationusa.state.gov
http://petersons.com
http://ed.gov
http://studyusa.com
http://collegeboard.com
http://embark.com
http://gradschools.com
http://gradsearch.com