Council of Architecture (COA) will release the application form of NATA 2018 in online mode for all the candidates in the month of January tentatively. 

You can check the below things which you will require

• Attested copy of class X marksheet

• Scanned passport size recent color photograph

• Scanned digital signature to be uploaded online

• Valid photo identity proof with signature of the candidate

To check in detail you acn refer below link

https://engineering.careers360.com/articles/nata-application-form

Good Luck!!