What carreaer in bsc science after12

I would suggest you to get admission in UG course first as there are many programs available from which you can opt one as per your interest and potential -

Simple B.Sc - B.Sc. (PCM) B.Sc. (Physics) B.Sc. (Chemistry) B.Sc. (Maths) B.Sc. (Zoology) B.Sc. (Statistics) B.Sc. (Botany) B.Sc. (Home Science).

Professional B.Sc programs - BSc (Agriculture) BSc (Animation) B.Sc. (Aquaculture) B.Sc. (Aviation) B.Sc. (Biochemistry) B.Sc. (Bioinformatics) B.Sc. (Computer Science) B.Sc. (Dietetics) B.Sc. (Electronic) B.Sc. (Fashion Technology) B.Sc. (Food Technology) B.Sc. (Forensic Science) B.Sc. (Forestry) B.Sc. (Medical Technology) B.Sc. (Microbiology) B.Sc. (Multimedia) B.Sc. (Nautical Science) B.Sc. (Nursing) B.Sc. (Nutrition) B.Sc. (Physiotherapy) B.Sc. (Psychology) B.Sc. (Genetics) B.Sc. (Information Technology) B.Sc. (Interior Design).

Note : As you have many courses in front of you so better to choose one first and pursue the same.

Good Luck!!!