Hello,

You have such a big dream thats great i appreciate.it is not easy to get in national space agency ISRO one can achieve it by starting early and hard work.this steps involved to get in ISRO as a scientist

1. complete computer engineering BE/B.tech with atleast 65 percent marks.

2. Recruitment exam is conducted by ISRO for scientist take that test.

3. candidates must be under 35 years of age for test

4. Interview is conducted after written test and this is for the candidate who clear written test.

5.if you clear all test you are selected for your dream post.

Academic records is also consider for selection so make sure have good academic record to present before interview team.

Dont limit yourself to ISRO only there is other space organisation also available you can also show your talent there.

May you achieve your goals...