Dr. Nidhi Tyagi, working as a Professor in Department of IT at MIET, Meerut, U.P. India. She has teaching experience of 20 years, in reputed Institutes and Universities. She has published about 50 research papers in international and national journals. She has conducted number of conferences and sponsored FDPs and workshops. Has guided about 20 M.Tech students and is guiding 2 Ph.D. scholars. She has published two books in the field of Information Retrieval. Her area of interest includes Information Retrieval System, Big Data, and Databases & IOT.