Below are the factors which you should keep in your mind

 

CSE

Do you understand logic very well?

Can you handle high-end algorithms and do pattern recognition?

Does writing machine-level code excite you?

Can you design games and small softwares to ease your work?

Do you like puzzles?

 

Electrical & Electronics

Do you get excited about repairing electrical appliances?

Have you had the urge to open the calculator to see its functions?

Do capacitors, transistors and ICs excite you?

Have you assembled a PC after buying the components?

Is transmission and distribution of electricity of interest to you?

Do you want a personal robot?

 

Mechanical & Production Engineering

Have you attempted repairing your bike yourself?

Are you good at operations research in school?

Can you get your hands dirty, and don’t mind the grease?

Can you stand strenuous physical labour?

Do you like basic sciences?

As a child are you interested in bikes and cars?

Do you have a good hand at drawing?

Can you physically fashion materials?

 

Civil Engineering

Are you interested in construction?

Do built environments fascinate you?

Do you have a sense of proportion and aesthetics?

Can you visualize structures over different landscapes?

Do enjoy making people comfortable?

Can you handle sociological and psychological issues?

 

There must be tools online to assess which branch will be good for you.

The main thing is to know what all branches are there for engineering and about the. The scope, pros and cons.
You can check the list of engineering branches in the list below:

Top engineering branches

These are mentioned in the order of preference.

Let me know if you want to know about any in specific.

Hope this helps.