CBSE 12th

https://www.google.co.in/amp/s/www.shiksha.com/it-software/networking-hardware-security/articles/amp/your-career-after-ethical-hacking-blogId-4622?espv=1
Hope the link helps
All the best.

It will depend on Category. For General, there will be less marks for NIT.

You have to clear the entrance exam. Then, your marks will matter.

You have to get above 60% to just get a seat in college with payment if you have 98% above, you can eligible to get a good mean top college.

Common Admission Test
Management Aptitude Test
Xavier Aptitude Test
The Tata Institute of Social Sciences Entrance Exam
All India Institute of Medical Sciences New Delhi
University of Delhi- Faculty of Management Studies
Punjab University
Birla Institute of Technology and Sciences
Symbiosis Centre for Health Care Pune
Indian Institute of Health Care Administration
Indira Gandhi National Open University
NIMS Hyderabad
Pune Armed Forces Medical College.

Christ College, Bangalore
Hansraj College, Delhi
Hindu College, Delhi
Mount Carmel College, Bangalore
RA Podar College of Commerce, Mumbai.

There are chances to get this college in these marks but you have to wait for 2nd or 3rd counselling.

You will be able to apply but first, you have to improve your 12th marks by giving improvement paper for class 12.

There are less chances to get this college in these marks. But for once, you should go through the counselling.