1. Department of Mathematics Centurion University of Technology and Management, Paralakhemundi Gajapati Odisha India
2. Department of Mathematics and Statistical Sciences Botswana International University of Science and Technology Palapye Botswana
3. Department of Mechanical Engineering ITER, Siksha ‘O’ Anusandhan University Bhubaneswar India
4. Department of Mechanical Engineering Science, Faculty of Engineering and Built Environment University of Johannesburg Johannesburg South Africa