Exam

You won’t be able to get a decent college with this percentile. You should focus on other exams like XAT, MAT, CMAT, IBSAT, etc.

Bleak chances but one cannot really say. So at least, what you can do right now is apply and we can hope for the best.

Arihant's package for hotel management is best book for IHM entrance exam.

1. You should concentrate on current affairs and general knowledge.
2. You can read NCERT books of history, geography and polity.
3. You can prepare from UPSC books.

No, its not possible. With 42 percentile, you will not get the call for GD/PI.

Normally, the specialization in management will be taken based on your graduation and other experience. You can take MBA in finance.
You can also opt for marketing and production and operations management. You can get admission based on your MAT score.
All the best.

It's better to start preparing for JEE Mains because in class 12th, you have to focus on your board exams.

You can consider the below mentioned colleges:
1. SIMSREE.
2. XIME – Bangalore.
3. Christ University.
4. PUMBA.
5. AMRITA.
6. PSG.
7. IPE.
8. ITM.
9. UPES.
10. Alliance.
11. Birla Global University.
12. FOSTIIMA.
13. Asia Pacific.
14. GITAM.
15. IISWBM.

If you study these subjects thoroughly, then you'll be able to crack the exam.

You won’t be able to get any decent B-school with this percentile. You can reappear for CAT exam next year and try to get more than 90 percentile.