National university of Sciences and technology

Universidade do estado do rio de janeiro

School of Mathematics and Applied Statistics, University of Wollongong

Associate professor, University of Zululand South Africa

Postdoctoral researcher at the University of Cádiz

VSB Technical University of Ostrava, Czech Republic

Akal University, Talwandi Sabo, Bathinda, India

Associate Professor, AIT, Chandigarh University

Research Fellow, Nanyang Technological University

Assistant Professor