Aerospace Engineer

As an aerospace engineer, it is utmost crucial to decide your interest whether you would be interested in aeronautical engineering or astronautical engineering. Both the branches have excellent job opportunities. Job opportunities for these engineers are available in Airlines, Air Force, Corporate Research Companies, Defence Ministry, Helicopter Companies, Aviation Companies, NASA and many others. Increasing popularity of air travel and space exploration require expertise to design and maintain improvements. Looking at heightening growth rate, the demand for smart and create aerospace engineers is only going to increase in the near future. Some of the top recruiters in this space are Hindustan Aeronautics Limited (HAL), Defense Research and Development Laboratories (DRDO), Indian Space Research organisation (ISRO), Civil Aviation Department, Air India, India Space Research organisation (ISRO) and others.

Dear Baby!
Currently, you are on the wrong path if you are willing to be astronaut and working in a IT company. The more sophisticated way is to continue your studies.
(1) Do your Master in Aerospace Engineering from Indian Institute of Space Science & Technology, Kerala.
(2) Hence after you MUST have to do Ph.D. in that particular subject from Indian Institute of Science, Bangalore. (*I hope you know why I am mentioning the name of specially these institution).
You know that Astronaut are not like regular employee for space organisation. They are specially build person hired (or trained) for a particular mission. So, don't think that ISRO or NASA or ESA are always recruit Astronauts. They don't do so, unless they plans a manned mission for space region or for ISS. Another thing I would like to say is about your physical fitness. You have to be 100% fit not just from your physic but also from your mind (mental stability). (#) Astronaut is not a position. So, there is no special degree for that. Your Steller academic background, your physical, mental, emotional, biological stability/fitness and the hardcore training will help you to be astronaut. (#) Be in contact with ISRO and its operations. B.Tech in CS is not bad but not a wise choice for Space Science. But this may helps you in Rocket Simulation.
Answer is quite long but I hope this helps.
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Good Luck.