Hello student as per the eligibility criteria only physics chemistry mathematics along with English are calculated for your aggregate percentage.

Eligibility - candidates must passed or appearing class 12 with physics chemistry and mathematics with minimum 45 percent marks aggregate from a recognized board

For more updates refer to the link mentioned below - https://www.google.com/amp/s/engineering.careers360.com/articles/kcet-eligibility-criteria/amp

Feel free to comment if you have any doubt

Good luck