Hello,

NID DAT is a pen paper-based exam, which is conducted in two stages for B.Des and M.Des. While Stage 1 is for Design Aptitude Test (DAT) Prelims and stage 2 is for Design Aptitude Test (DAT) Mains.

• So if you complete your 10+2 you can apply for the exam. The candidates who have passed 10+2 in any stream Arts, Science, Commerce, Humanities from any recognized board such as CBSE, ICSE, IB or equivalent are eligible to apply.

Now talking about UCEED

• Undergraduate Common Entrance Examination for Design (UCEED) is conducted by IIT Bombay under the guidance of the UCEED-CEED .
• According to the eligibility criteria of UCEED 2022, Open/ EWS/ OBC-NCL category candidates must be born on or after October 1, 1997. Whereas SC, ST or PwD category get the relaxation of five years.

https://design.careers360.com/articles/uceed-eligibility-criteria/amp

You can refer to this link for more information.

Hope this helps!!!