Hii, 

At the time of verification, during neet counselling,The candidate has to bring their original documents (along with attested photocopies of certificates) for admission in MBBS BDS course.

This is the list of documents needed during counselling :

Call Letter/ Hall Ticket/ Admit Cards of NEET-UG  exam provided by CBSE.
Result/ Rank letter issued by CBSE.
Date of Birth Certificate (if Metric Certificate does not bear the same)
Class 10thCertificate (for date of birth)
Class 10+2 Certificate
Class 10+2 Marks Sheet
Eight (8) Passport size photograph same as affixed on the application form.
Provisional allotment letter generated on-line.
Proof of identity.

Hope this will help!