Dr Divakar Yadav is working as Professor at School of Computer and Information Sciences, Indira Gandhi National Open University(IGNOU) , New Delhi, India. He has more than 23 Years of teaching and research experience. Before joining IGNOU New Delhi, he worked as Associate Professor at National Institute of Technology Hamirpur (HP), Madan Mohan Malaviya University of Technology, Gorakhpur (UP) and JIIT Noida. He did his PDF from University of Carlos-III, Madrid (Spain) in 2011-12, PhD (CSE) in 2010, M. Tech. from IIIT Allahabad in 2005 and B.Tech. from IET Lucknow in 1999. He supervised 9 PhD theses, 31 M.Tech. dissertations and published more than 125 research articles in international journals and conference proceedings of repute. He is a Senior Member, IEEE and ACM, His area of research includes Machine Learning, Information Retrieval, NLP, Soft-computing and E-learning.