Dear Student ,

Look, the answer can vary upon two factors :

1. One's personal interest in any CSE specialized domain
2. Market demand

So, the first one is totally vary in individuals , but I can suggest you some best branches/Specializations  in CSE domain for UG/PG level as per the 2nd point I've mentioned above i.e. Market demand .

• Artificial Intelligence
• Machine Learning
• Data Science
• Big data Analytics
• Cyber Security
• Cloud Computing
• Blockchain

You can search top CSE colleges in India with the above specialized branch from here :

https://engineering.careers360.com/colleges/list-of-be-btech-in-computer-science-engineering-colleges-in-india

Hope this helps !