Hi this is sahithi
I need to apply for a dependent visa to the UK
I need the list of documents required to apply.

Can anyone help me out on this?

Here's a good starting place:

How to apply

What short of paper's do I have to submit to uk embassy for the student visa as a married person?

If your spouse is entering on a student visa, and you want to enter as well as a dependent, read this information:

http://www.ukvisas.gov.uk/resources/.../1903073/vaf3b

If you are talking about something else, look at the main page of the site provided to find out more information.