Hello Aspirant,

That is completely depending on you in which subject you are having interest. Their are end number of subjects.

Here I'm sharing some science subjects.

Bsc in mathematics
Bsc in physics
Bsc in chemistry
Bsc in biological science
Bsc in computer science
Mbbs
Bsc in geology

And so on. Now it is on you which is your area of interest.

Thank you.

All the best!