hello surendra,

CBSE board also eligible for this exam.

Academic Qualification – The candidates should have qualified 10+2 (or equivalent) examination from Gujarat Secondary and Higher Secondary Education Board, Gandhinagar/CBSE Delhi/CISCE New Delhi/NIOS/International School Board. If the candidates will be completing their 10+2 examination in 2019, they will still be termed eligible for GUJCET.

you can read in detail here-

https://engineering.careers360.com/articles/gujcet

Hope this is helpful for you.

Thank You.