I need student visa I need complete information...

First, you have to apply for admission at a university. If you get approved by a university, then you will be allowed to apply for a visa,

When applying for a visa, the applicant shall contact the French embassy in the country of residence and submit the following documents:

A formal letter of admission in a faculty of a university in France.

A proof of sufficient funding to afford living expenses in France through submitting a bank statement or mail from a sponsor or notice of finance through a loan or scholarship.

A guarantee that you booked a return flight-ticket in an official booking copy or a ticket with the date of exit, you can make a pledge in writing.

Health insurance (minimum € 30,000).

Proof of accommodation of the applicant in France, you can obtain a confirmation letter from the students residence premises or a letter of accommodation, if you are staying with a friend or relative.

Your French language proficiency, in case your program is in French.