This book on History of zoology and present status in India is a compilation zoological study from ancient to recent times in thirty-five chapters covering the Science of zoology during European Trading Companies in India, the impact and contributions made during major East India Companies viz., British East India Company; Dutch East India Company; Danish East India Company; Portuguese East India Company; French East India Company; Ostend East-India Company and the Swedish East India Company, to the present day situation on the subject. Chapters such as dawn biology, biogeography, zoological nomenclature, limnology, besides the present day scenario on Protozoa, Porifera, Cnidaria, Ctenophora, Platyhelminthes, Gastrotricha, Rotifera, Kinorhyncha, Acanthocephala, Nematoda, Mollusca, Annelida, Entomology, Crustacea, Merostomata, Arachnida, Myriapoda, Sipuncula, Tardigrada, Phoronida, Bryozoa, Entoprocta, Brachiopoda, Echinodermata, Chaetognatha, Ichthyology, Amphibia, Reptilia, Ornithology and Mammals are included in the book. This book is useful as a reference volume for Scientists, Researchers in the field of Zoology, Bioscience, Environmental Science, Animal taxonomists in the University, and other Research institutions and also those who wish to take up competitive examination for IAS, IPS, and Allied Services in State and Central Government, as well as for the Naturalists who wish to study Zoology for their career prospectus. About the Authors: Dr. Ramakrishna (06th July, 1950) has a long period (40 years) of research career. was directly selected to the post of Zoologist by UPSC later Deputy Director and Director by the Ministry of Environment, Forests and Climate Change. As Director of Zoological Survey of India, he was the Advisor to Government of India on zoological matters and Wildlife, Member CITES and IUCN, National Board of Wildlife, till his superannuation. Dr. Ramakrishna’s scientific interest was varied, he has made extensive and highly significant contributions to the study of fresh water and land molluscs of India. besides taxonomy and conservation of various groups of animals, for this contribution, he received the coveted Janaki Ammal National Award for taxonomy and recipient of fellowships from Several instittuions. As an outreach programme and to strengthen the natural history museums of the country, visited several national/international natural history museums of Europe, America and South East Asia. He has Chaired several National and International meetings, symposiums, seminars and workshops, conducted training programmes on taxonomy. He was also editor/ editorial board member of various national and international journals, President Zoological Society. He has conducted many national and international seminars, besides chairing and delivering Keynote addresses. He has published about 48 books, edited 98 books and authored/coauthored 170 scientific publications. He was research guide for 6 Ph.D. students. After his superannuation he was the honourary scientist of University of Agricultural Sciences, Bangalore, Chairman, Research Advisory Committee of SACON, an Institution of Excellence on Birds and Natural History, besides member of various committees. Dr. Chandrakasan Sivaperuman, is currently working as Scientist-E & Officer-in-Charge at the Zoological Survey of India, Port Blair. He has been extensively involved in field surveys in different ecosystem of the country. He has served as Expert Consultant in the Committee for the Purpose of Control and Supervision of Animals (CPCSEA), Ministry of Environment, Forest and Climate Change, Government of India during June 2006 to April 2008. He has receive dmany prestigious national and international awards. He has published more than 250 research papers in national and international journals and newsletters. He also authored/edited more than 30 books published by national and international publishers. He has successful conducted three batches of training course on Para-Taxonomy including PBR under the Green Skill Development Programme of Ministry of Environment, Forest and Climate Change, Government of India. He has organised many National and International seminar/symposium/workshops. He is life member of various scientific societies in India and abroad. He also successfully completed eight major research projects funded by SERB, Department of Science and Technology (Fast Tract Young Scientist Scheme), Ministry of Environment, Forest, and Climate Change, Ministry of Defence, besides several internal research programmes.