MUHAMMAD SAJJAD ALI KHAN received PhD degree in Mathematics from Hazara University Mansehra Pakistan. He is currently working as an Assistant Professor in Mathematics at Khushal Khan Khattak University, Karak Pakistan. He has published 71 research articles in different well reputed international Journals. Some of them are International journal of Intelligent Systems, Soft Computing, Journal of Intelligent and Fuzzy systems, Computational and Applied Mathematics, Journal of Mathematics, Symmetry. His research interests are Fuzzy Decision Making, aggregation operators, logical algebras.