Yes, you can still be eligible for JEE and CET exams after passing your 12th grade, even if you did not attend college, as long as you meet the eligibility criteria set by the respective examination authorities. For JEE (Joint Entrance Examination), ensure you have completed your 12th grade or equivalent with the required subjects (Physics, Chemistry, and Mathematics). For CET (Common Entrance Test) in various states, make sure you meet the specific eligibility criteria related to educational qualifications and residency. Always check the latest eligibility criteria and exam guidelines on the official websites of JEE and CET for accurate information.