Yes, you can write the Karnataka Common Entrance Test (KCET) if you have completed 7 academic years in Karnataka. According to the eligibility criteria set by the Karnataka Examinations Authority (KEA), candidates who have studied in Karnataka for a minimum of 7 years are eligible to appear for the KCET, regardless of their domicile status.These seven years should include your studies from 1st standard to the qualifying examination.

As you studied 7 years in Karnataka it makes you eligible for the KCET.You Just have to submit all 7 years study certificate during document verification [AFTER KCET] And need to upload all 7 years school name in which you have studied during those 7 years in application form.