which course would be best if i want to work in isro or nasa in future,i have completed my xii & given engineering entrance exams?

The choice really depends on what you want to do in NASA/ ISRO. There are many jobs for space researchers, scientists and engineers; however in today's world US is the only country that sends astronauts into space regularly. NASA selects astronauts after a rigorous selection process. About 4000 appl