CBSE

Hi Prerna,As your son is in class 10th, he should focus on all the subjects, mainly in social studies. After completing matric, he should join a good institute for the CLAT preparation. They will guide them and make familiar with the exam patterns. Best of luck.

As per your rank the possibility of getting a rank in IIIT is sure. I don't know about NITs. You can use Shiksha College Predictor for this. All the best for future.

Yes of course, you percentage is great.

Yes, you can get admission here. Minimum eligibility to apply for the B.Com (Hons.) is 45% in class 12th. Mathematics/ Business Mathematics is mandatory in class 12th. Moreover, aggregate of one language and three best elective subjects would be considered as best four subjects (BFS). Download the pdf from here http://srcc.edu/sites/default/files/Guidelines-for-Admissions-2018-19.pdf for the details of admission criteria.

Yes, it can be form any board like CBSE ,SSC,ICSE or IGCSE.
Yes, CBSE is a good start. It is not harm for the candidate to do the course in any Board, but the candidate must have Physics, Chemistry and Biology with Minimum of 50% marks.
All the Best.

No, with this rank, it is not possible to get CSE in LNMIIT.

With this much marks there is less chances of getting admission for B.Sc Computer Science in DU. While Selection the Top four subject of your class 12th is considered including compulsory subjects. So, recalculate your percentage and check. If it is above 85% then there is some chance of getting DU.

Hello,
Yes, you can apply for an admission in Diploma in computer Science Engineering.

Yes, you can easily get admission in this college with your percentage because the admission criteria for BCA is 45%, and you are far above from that. So, go and grab the opportunity. Best of luck.