Hi

There are a number of courses after your 12th BiPC i. e  biology, physics and chemistry  but which course will be good  for you and you should go for depends upon following factors

*Your interest
*What do you want to become,

For example, if you want to become a doctor you will have to do mbbs , if you want to be a journalist , then you will have to do bachelors in journalism, if you want to be a Lawyer you will have to do LLB

After 12th science stream , bio group , you can go for following top courses for your graduation depending upon your interest:-

MBBS.
BDS.
BAMS
BHMS
Bachelor of Veterinary Science & Animal Husbandry
Bsc Nursing
Bsc agriculture
BSc biotechnology
B Pharma
Bachelor of Physiotherapy.
Paramedical courses
BSc dairy technology
Bioengineering
BSc. Medical Laboratory Technology
BSc. Cardiac Laboratory Technology
BSc. Dialysis Technology
BSc. Neuro Technology
BSc. Nuclear Medicine Technology
BSc. Operation Theatre Technology
BSc. Perfusion Technology
BSc. Radiotherapy Technology
BASLP (Bachelor in Audiology & Speech Language Pathology)
Bsc zoology/chemistry
LLB

For more courses go through

https://school.careers360.com/articles/courses-after-12th-in-biology

Thank you