How to Apply for an Internship

1 identify the field you want to work in
http://knowcareer.blogspot.com/
2 identify the no of companies in that field
http://companyguide.blogspot.com/
3 get contact of companies from company website and contact company/approach placement cell/faculties/take help of parents/friends/alumni/seniors of Institution
4 Prepare a separate Resume that targets your qualifications to each internship.
5 Attach letters of recommendation outlining suitability to position.
6 Prepare for Interview

Charter / Manual / Evaluation

http://www-instn.cea.fr/IMG/pdf_Charter_student_internships_in_industrie.pdf
http://www.muhlenberg.edu/careercenter/internship/toc.html
http://www.wetfeet.com/Undergrad/Internships/Articles/How-to-Get-the-Internship-You-Want.aspx