Physics

All these domains are great and have excellent career prospects in future. So, choose according to your interest and passion. Choose that branch which you like and understand the most. Go into that branch which you know the basics and have passion and determination for. And in your heart you know that you will achieve greatness in this field. Institutions that offer good Quality engineering courses are:-
BITS Pilani
Lovely professional university
PSG Technology Coimbatore
National Institute of Engineering, Mysore
BIT Ranchi.

No, if you need to study maths and physics, then you need to take Science stream.

Yes, you can apply in DU for B.Sc. CS with your very good marks. Since cutoff of DU remains very high but your score is excellent.

Refer to the eligibility below:
Eligibility: Intermediate (with the combination of Maths, Physics, Chemistry, Statistics, Computers, and Economics) / PUC or equivalent with Physical Science and Mathematics/Intermediates with BiPC (Physics and Chemistry)
However, BiPC Candidates have to do Bridge course consisting of Intermediate Maths for 2-years. /3-years Diploma with Maths/Physics /Chemistry/Intermediate with Certain Vocational Subjects.

Generally, there are two eligibility criteria for IPhO:
You should not have started to study in a university. You should not exceed twenty years on June 30th of the year of competition.

Hello Niraj,
Firstly, admissions to colleges in TN is restricted to domiciles of that state only. Secondly, I want to bring to your notice that in India there are hardly any jobs for Aeronautical engineers. Thirdly as per report of HRD ministry, almost 50% fresh engineers did not get placed. Why go for any engineering then? I would advise you to think of doing three years AME course. Lots of opportunities of placements. Think over it.

Cricket ball because its too heavy than tennis ball or regular balls that we play with.