Hi,

When it comes to ISRO, it is the face of all the exploration projects of INDIA. As such, there is no particular IIT to get into ISRO. You only need to be passionate. Also, ISRO often picks up graduates and post-graduate engineers from IITs, NITs and other reputed government and private institutions. So it is better to have a degree in a course that is more likely to be shortlisted for the consideration of such jobs such as B.Tech in Aerospace Engineering, Mechanical Engineering, Radio Engineering, Computer Science Engineering and Engineering Physics. There is sometimes a requirement of electronic engineers and Civil Engineers as well. Try to grab a degree from these institutions. Also, the easiest way to get into ISRO is through getting admission in IIST (Indian Institute of Space Science and Technology) .

Hope that helps.