All the above mentioned branches are most demanding but CSE has more scope in comparison to
EEE & ECE.
Below you can check the scope of CSE -

Government job opportunities after M.Tech in Computer Science --
The aspirants can find many opportunities in public sector. Many public sector firms recruit candidates with M.Tech in Computer Science Engineering. Some of these companies are ONGC, ISRO, BHEL, ECIL, DRDL, SAIL, etc. The candidates can also appear for various competitive exams like public sector bank tests, UPSC, SSC, etc.

Private Sector Jobs after M.Tech in Computer Science
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There are huge openings in private sector for candidates of computer science engineering. The candidates can find opening in companies like Infosys, TCS, IBM, Wipro, HCL, Accenture, etc. The candidates can find many job opportunities abroad as well.

Hope this helps!!!