Often freshers are seen running around for resume and cover letter. First of all resume is not an important criterion for the selection when it comes to freshers,yes it definately means more important for experience people.
You just take any sample/template edit it according to you.
Do not go after professionals who claim that they can write job winning resume for you.It will be a complete waste of money. They never can. Its not an essay writing competition. Its completely about youself and i am sure no one know you better then yourself. Download sample resume from here.
If you are applying for Indian company, you will not need it. But US based company ask for cover letter along with resume.
What acutally cover letter is?? It is a brief summary of your resume in 1-2 paragraph. Remember cover letter should be eye catcher. While writing a cover letter focus on key skills, project and your role. Its a good practice to send cover letter in main
body of a mail along with the resume attached.You can highlight (bold,italics etc) your skills, project in the mail body. Be creative. Download sample cover letter from here