S.K. Yadav, faculty Department of Mathematics in Birla Technical Training Institute, Pilani (Rajasthan). He did his M. Sc. (1988) and Ph.D. (1992) from Rajasthan University, Jaipur (Rajasthan). He has more than 23 years experience in teaching and research. Dr. Yadav did his Ph.D. work in applications of transformations. His current interest is in optimization techniques and operations research. He has attended various seminars and conferences and presented his research papers.