sir/madam, i am student of b tech. 1st yrr. in computer sci. I want to become an aeronotical eng. can I do double graduation in this fieldso that i can join nasa/ isro as scientist.

It is not necessary that you would require double graduation to join nasa. However, you would need to pursue a master's course right after your Btech in the desired field that you wish to join at NASA. There are various ways of working for NASA. Some people work directly for NASA as civil service em