Hello,

If you want to improve the Class 12 PCM results, you can appear in the improvement exam. This exam will help you to retake one or more subjects to achieve a better score. You should check the official website for details and the deadline of this exam.

I hope it will clear your query!!

Yes you can definitely improve your 12 results in PCM ( Physics, Chemistry and Maths). You just need to work hard, be consistent while preparing and complete all your syllabus.