Dr. A.K Khillar is currently heading the PG Department of Botany at Dhenkanal Autonomous College, Dhenkanal. He has teaching and research experience of more than 30 years in the field of plant sciences. He has published more than 15 research and reviews in national and international journals. Dr Khillar has also published six textbooks for +2 students and medical (UG) aspirants. He has guided many PG dissertation students. He is also a member of the Microbiology Society of India, Odisha Botanical Society, and Odisha Environmental Society. He has delivered more than 200 scientific talks on All India Radio, and more than 30 different talks on different platforms in the field of botany.