For a career in Software, IT, OS as well as Hardware Industry, after B.Tech in CSE, I would advise you to prepare for GATE CSE, followed by M.Tech in Computer Science Engineering from some of the Higher Technical Institutes like Top IITs, NITs, IIITs, GFTIs as well as Top State Engineering Colleges.

For more information about M.Tech in CSE do follow the link below

https://engineering.careers360.com/colleges/list-of-me-mtech-in-computer-science-engineering-colleges-in-india