Karnataka Examinations Authority (KEA) is responsible for conducting the admission process for B.Sc Agriculture/ B. Tech Agriculture Engineering course, and the candidates must have a valid score in KCET 2020 to be eligible for the admission process for the academic session 2020-21.

The candidates will have to either appear for ICAR AIEEA/ state-level exam. ... However, ICAR AIEEA score is valid for only 15% of seats in agriculture universities or participating institutes

You can get admission in private college if not appeared for kcet.