You can take any field which is of your interest. If you are interested in computer world B.E. IT and CSE is the best option.

You get jobs on skills like coding,software tools,etc. 

Salaryis given according to the CTC of the company you will join. It increases with your work efficiency and Excel in the working fields.

Yes, It is very much valuable as this field gives the scope to do which is in mind. It gives opportunities to take the world to the next pleve in Technology.

You can join in college after counselling according to your All India Rank. You can get best colleges.

Best of luck!