Dr. Abhishek Kumar completed his masters in 2004 from Dr RML Awadh University, Faizabad, India in the subject of Zoology with specialization in fisheries science. Later in 2006 he joined DDU Gorakhpur University, Gorakhpur, India for his Doctorate. During his Ph.D. he studied about the impact of botanicals on toxicity and endocrinal calcium regulation of fish. His topic of PhD thesis is “Botanical Pesticides: Effects on Blood Parameters and Calcium Regulating Endocrine Glands of Teleost Heteropneustes Fossils”. Dr. Kumar studied the toxicity of Euphorbia tirucalli latex on fish Heteropneustes fossilis which is the FIRST report. After his Ph.D. he continued his research in Department of Zoology of DDU Gorakhpur University as an independent researcher. Later, Dr. Kumar published various research articles in Journals of Inetrnational repute. His studies mainly focused on the toxic impact of azadirachtin, Euphorbia tirucalli, Euphorbia royleana, Nerium indicum and Microcystin-LR . Dr. Kumar had published more than 24 research articles in addition to a book chapter on environmental toxicants and calcium regulation. Presently Dr. Kumar is on editorial board of five science alert Journals. He is also Managing Editor of International Journal of Zoological Investigations.