Hey there, the documents may be listed on the site and you can even recheck it and if not given then you can contact and ask about documents. In general, the documents are Class 12 Marksheet, Class 10 Marksheet, NEET Result, NEET Admit Card, WB Domicile Certificate.
Rest you can ask them as they are different for different states and different colleges.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile