Architecture

Arena Animation is the best.

Ashwini if you want to go to USA, you must take SAT and TOEFL. Since you haven't mentioned your country of choice, please mention the same to get more precise answer.

CEPT can't be named as the best, but it is definitely in the top 10 list of architecture colleges across India.

The prospectus of architecture is more in private jobs and in your own independent work. The government generally give contract to companies.
Naval architecture, Urban planning, Rural planning are few of the things you can explore, if you wish to join government services.

Hi
Here are few very good architecture universities in the US:
1. Cornell University
2. California Polytechnic State University, San Luis Obispo
3. Rice University
4. Virginia Polytechnic Institute and State University
5. Syracuse University
6. University of Texas at Austin
7. Rhode Island School of Design
8. Southern California Institute of Architecture
9. Pratt Institute
10. University of Southern California

Hi Pramay,
You must complete your HSC with mathematics as a compulsory subject, overall your grades must be good. You can check the NUS admission requirements page for the international student as requirements vary. SAT or ACT might be required. Check the particular department website for admission FAQs, shortlisted candidates are generally required to sit for the architecture admission test.
For more details, kindly visit the link mentioned below:
http://www.arch.nus.edu.sg/programme/architecture/ba-arch.html