The Department was established in 1955 as P.G.wing of Bihar University. During the last fifty five years of its glorious existence as an ideal centre for teaching and research in Zoology, It has carved a niche for itself in India. Approximately 270 persons have been awarded doctorate degree of Ranchi University under the guidance of past and present faculty members, and more than 1600 research papers have been published by them. The department has the distinction of carrying out pioneering research in the field of fish endocrinology, ecology and environmental sciences helminthology, human genetics, ethno-medical zoology, and wildlife management. The Department has got expertise in different fields of research work in Zoology and conducts regular research guidance activity in bioremediation, environmental microbiology, pollution ecology, industrial toxicology, Stress Physiology, Insects Taxonomy & Biodiversity, Fish Physiology & endocrinology, stored product entomology, amelioration through plant extracts, Paedobiology, limnology, vermitechnology, histochemistry, etc.

Thrust Area of Research: Entomology, Taxonomy, FishPhysiology, Endocrinology, SoilEcology, Limnology, PollutionEcology, Toxicology, Biotechnology.