See if you do MTech CSE then you can obviously go for different positions in R&D as well as in IT sector. You can go for the IT companies such as TCS, Cognizant, Accenture etc and can develop a very good career options such as Software Developer, Web Developer, Application Developer, System Development, Block Chain Developer etc.

Now you can go for R&D institutes such as ISRO, BARC, DRDO etc as a scientist/Engineering for different sectional jobs in the institutions. SO you have a broad range of opportunities. The only thing is you must learn the skills well.

To know more about CSE careers visit the link below:

https://www.careers360.com/courses/computer-science-engineering-course

I hope this answer helps. All the very best for your future endeavors!