Hi

hope you doing well

Changing your academic stream from PCMC (Physics, Chemistry, Mathematics, and Computer Science) to Humanities is a significant decision and can impact your future educational and career opportunities

If you find Humanities more interesting, pursuing a subject you are passionate about can lead to better engagement and satisfaction in your studies. This can ultimately influence your academic performance positively.

• Pros of Repeating : If you choose to repeat a year and switch to Humanities, you can strengthen your foundation in subjects that align with your interests and career goals. This can also give you time to better prepare for entrance exams like KCET and JEE Main if you still want to pursue them later.
• Cons of Repeating : On the other hand, repeating a year can be mentally challenging and may require you to adjust to a different academic environment and peer group.

Consider your long-term career aspirations. If you're more inclined toward fields associated with Humanities (like social sciences, arts, education, or law), switching streams could be more beneficial in the long run.

hope you got it and find this info considering

Best wishes.