Hello Jai,

I would suggest you that if you are having problem and feel like you won't be able to score good in IP then you should surely switch if it is possible to switch now as you should go on with the subject you are more comfortable with.

If you feel somewhere that you won't be able to score good in IP then one wrong decision can hamper your 12th result as this is an additional subject and scores in this subject may help you further in adding this subject to the Best 4 at the time of getting admissions.

Nopes.

With IP you can learn java or any other language which will be beneficial for your long term growth. And if you just want to score then go for PhE