This is me:
SAT : 1520( 720 + 800[math]); 6/5/6 in essay
Will be taking Physics SAT(Confident of scoring 750+) and TOEFL(will get around 110).
ISC curicullum, top 3 in class
97.2 in ICSE class X boards
around 95% predicted for class 12 ICS examinations
Intended majors:
Computer Science(AI or Data Science preferred)
Physics(Astro or quantum is preferred)
Biology(Genetics preffered; mostly ONLY for Stony Brook)
ECs:
MUNs with awards
Debates & Quizzes
Regional winner of TCS IT Wiz Quiz and National Safety Science Quiz.( Took part in national finals of both)
School gold medalist in IMO, NSO, NSTSE, NCO, IEO in 9th/10th(Does it matter?)
Lots of volunteer social work
District level badminton player
school level soccer player
Indian classical vocalist, passed 3 levels of certification examinations with distinction(i also sing “western” songs)
won a science competition for an innovative “invention” (Computer based)
2 time Prefect (Leadership??)
Got my Math and Physics teachers to write RECs, which are strong.
also, other than the Physics SAT Subject test, do I have to take the MATH II SAT Subject test for the unis as i got 800 in MATH in the regular SAT…?
chance me 
what is the best uni i could get into for the intended majors?
any general advice?
thanks in advance