Science

It some what's depends on you choice and what subjects you opted in 12th. Science or commerce or arts. After this only further suggestions can be provided

Yes you can surely become a software engineering but to get a job in software field you got to have software degree and since Bachelors is already completed so you need to have a Masters degree in software with a little experience in software field. All the best

Actually yes you can opt for animation. you can after doing Bachelors opt for Masters from high reputed colleges. It has great scope but start of any career requires determination and patience. All the best

Kindly, mention the branch of your B.Sc.

BCA is better than B.Sc. because there are many career opportunities in it . You will get very good job after BCA because computer is used in every field and computer specialists are in great demand now a days. After BCA , you can make your career in banking, and also many companies are taking BCA graduates or you can do MCA and after MCA, there are so many career options.
I hope my answer will help you.
Best of luck for your future.

If completed B.Sc Biology, go for M.Sc, It will be better. There is nothing to get confuse about.
All the best. Feel free to revert in case of any further queries.

it would b difficult for you to take admission in du cz it's cut off would be very high
n yes there are many govt college where you can take admission
they are
Kurukshetra University
BHU