The Caste Certificate for reserved category belonging to SC/ST/OBC candidates require the certificate. You need to carry the below mentioned documents.

Mark sheet of 10th and 12th class

AP LAWCET 2018 call letter

AP LAWCET 2018 admit card

Medical certificate for physically handicapped category candidates

Migration Certificate

Character certificate

Transfer certificate

Class 10th certificate for Date of Birth proof

You can also refer the below given article for the further information.

https://law.careers360.com/articles/ap-lawcet-counselling

Good Luck!