Exam

Yes, you can give IIT JAM because the authority of IIT is offering the students for chemistry.
Good luck!

Hi,
Check this out:
http://www.nift.ac.in/chennai/downloads/Fee_Circular_ July - December_2017.PDF

You must know that self study is a better way of learning because you have to do it. You have no option. Keep this thought apart. You can do it, just go on. All the best for your near future.

Your basics should be clear. In an exam which Lacs of people give the CBSE checks the basics of the students. Marks of 12th grade are of no importance unless it is less than 75%.

Microelectronic circuits: Theory and application.

If you are preparing for JEE Mains and ADVANCED, then don't worry, they have only slight difference.
For more details, go through previous year questions of BITSAT.
GOOD LUCK.

Common Entrance Test or CAT analyses the skills of the aspirant in four sections: Quantitative Aptitude, Verbal Ability, Logical & Analytical Reasoning and Data Interpretation. It is also a test of time management. Refer following link for further details:
https://www.shiksha.com/mba/exams/cat/syllab