India

It is not possible for you to get admission in any of the colleges with this rank. There are some institutes which accept admission based on class 12th score. You can try in those institutes.

Registration will start from mid of June, so you can apply for admission. Good luck.

The best colleges under MAKAUT offering B.Tech in IT are IEM, Heritage, St. Thomas, Meghnad Saha College, etc. You can get admission in either of these without giving Entrance Examination, through management quota. Contact the college to know more about the details, fee structure, and procedure.
Best of luck.

The best college to pursue MBA in Bangalore or Delhi are as follow:
IIM Bangalore
FMS
IMT ghaziabad
MDI
IMI New Delhi
IIFT Delhi
Fore
Christ University
Amity University.

As per your score in NATA and class 12th board, you are eligible to take admission in VIT Vellore. But, you need to appear in VITEEE to get a seat in Bachelor of architecture courses in this college. Best of luck.

According to my knowledge, you will get admission on the basis of JEE Mains score. There is no good university provide admission on the basis of class 12th. Good luck.

Please use college comparison tool:
https://www.shiksha.com/resources/college-comparison

Yes, you can apply for this course after class 12th.