Hi, biology is a great career option. You can either choose to do MBBS or BDS or go for bachelors degree either with microbiology, biotechnology , genetics ,biochemistry, chemistry all of which are very rapidly growing fields in India .You can either research these fields or work for pharmaceutical companies and much more .

You can go for bio-informatics. It will be a combination of biology and information technology. Moreover this field is quite a lot in demand now -a-days in market.

All the best.

The common feilds are:

• Basic science in biology and biotechnology
• Btech in biotechnology and biomedical engineering 
• Medicine or dental undergraduate program.