Answer 1

Just focus on IIT-JEE.
You will get more than enough time to dedicate to programming in your university, but reverse is not true.

Answer 2

dhawal you are asking for advice
Your question appears to be more openended then an actual code related programming question per the forum guidelines. Please use your feed post for such questions.

* Not having fixed limits; unrestricted; broad:
an open-ended discussion.
* Allowing for future changes, revisions, or additions
* Having no set limits as to duration, direction, amount, number, etc.; broad, unlimited, or unrestricted, allowing for modifications as things develop.

Your question will be reviewed by the mod-team and most likely marked for deletion.

Thanks and happy coding.

https://www.sololearn.com/Discuss/1316935/?ref=app