B.Sc Zoology

Yes, you can. You can do postgraduate courses:
M.Sc in Forensic Science
PG Diploma in Forensic Science
A candidate who has studied science i.e. (Physics / Chemistry / Zoology / Botany / Biology / Biochemistry / Microbiology / Applied Medical Sciences / Biotechnology or / Medicine / BDS/ Engineering / Pharmacy with 50-60%, he is eligible for taking admission in M.Sc Forensic Science. The best institutes for doing this course are:
Due to increase in crime rate and criminals, the scope of forensic science is increased exponentially. There are lots of job opportunities in the field of forensic science. The need of forensic scientists is huge all around the world, especially in India. Some of the forensic scientists visit the crime scene to collect the evidence themselves and another one work in a forensic laboratory to perform analysis on objects. In the forensic laboratory, they testify as expert observers in both criminal and civil cases and can work for either the defense or the prosecution. Forensic scientists can be employed in the government sector. They work in different law enforcement agencies and investigation departments such as police, investigative services of state and central government and legal system. Some of the private agencies also employed those candidates who have some qualification in this field. A trained forensic scientist may get hired by the Central Bureau of Investigation (CBI) & Intelligence Bureau (IB). You can also work as a freelancer as forensic scientists specializing in one segment & can be paid much. You can also work as a legal counselor after gaining experience as a forensic scientist. Teaching is another interesting career for forensic scientists. You can work in the institutions that impart education in forensic science. Candidates have a degree, they can explore the career in forensic science in the USA and other developed countries.

Zoology deals with the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct. If you are interested in making a career in Zoology then you need to deal with both the existing, dead and quite possible the extinct species of the animal kingdom. A zoologist might even get to travel because the nature of his / her job. Channels like National Geographic, Animal Planet, Discovery Channel are in constant need of Zoologists for research and documentaries. There are various sectors of employment in the field of Zoology. Here the list of job profiles:
-Zoos or wildlife parks and environmental protection agencies
-Government agencies and research institutions
-Medical research establishments and the National Health Service
-Environmental and animal charities
-Schools, colleges, Science centres, libraries and museums
-Universities and research institutes
-Environmental consultancies
-Chemical, pharmaceutical and petroleum companies
-Aquaculture and animal nutrition companies. -Wildlife Biologist
Colleges offering Zoology in India:
-Lovely Professional University, Jalandhar
-Garden City College, Indira Nagar, Bangalore
-SouthSSMRV College, Jaya Nagar, Bangalore
-St. Alberts College, Kochi, India
-Post Graduate College of Science, Hyderabad
-Madras Christian College, Chennai
This a great career interest for people who are fascinated with nature and would not mind spending time understanding it. There are several specializations that the students pursuing the field can venture into. All the best.