Hi Faishal

It is purely based on your interest and your Higher secondary subjects. If you studied Physics, Chemistry, Biology without Maths, you can opt for B.Sc in

• Physics
• Chemistry
• Botany
• Zoology
• Microbiology
• Biotechnology
• Biochemistry
• Genetics

With Maths, B.Sc in

• Maths
• Computer science
• IT
• Statistics

These are a few courses in B.Sc. you can do other courses also based on your interest.

All the best.