Bio-Data consists of thee information about the individual and his attributes, hobbies, interests along with the educational qualifications to describe the person at his best.
A resume is a one or two page "summary" of your skills, experience and education. Generally no more longer than a page or two. It indicates candidate's professional qualifications.
A Curriculum Vitae is a longer and more detailed synopsis. Generally over a couple of pages long. It indicates candidate's professional experience.
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