Hello,
Bachelor degree in Mechatronics and robotics is a very highly demanded role. It is very highly paid and of the highest growing fields in engineering. Big associations like NASA and ISRO are looking for such engineers. But getting into NASA and ISRO is not that easy with such a degree. Apart from the degree you need rich skills and need to be special and also need some experience. So a master's degree would give you a boost. Also you need to work on some special projects by yourself.

Please go to this link for some answers on your question
https://www.quora.com/How-can-I-work-for-the-NASA-or-ISRO-after-completing-my-12th-from-India-What-should-I-do-degree-Which-colleges-should-I-fill-the-admission-forms-for