Mr. Shivaji Chaudhry is currently working as an Assistant Professor at the Department of Environmental Science, Indira Gandhi National Tribal University. He has started his research life from G.B. Pant Institute of Himalayan Environment and Development as a research scholar and Technician. He has been recipient of number of National and International Fellowship. He has contributed 8 book chapters, 15 research papers, 54 IUCN redlist assessments. He has also completed 5 national and international consultancies. He contributed 2 new species of freshwater fishes and also reviewed 84 freshwater fishes of Eastern Himalaya. He has interests in biodiversity, taxonomy and ecology of plants and animals.