1. Department of Mathematics Vijayanagara Sri Krishnadevaraya University Ballari Karnataka India
2. Department of Mathematics, Department of Mechanical, Materials and Aerospace Engineering University of Central Florida Orlando Florida USA
3. Department of Physics, Faculty of Sciences University of 20 août 1955‐Skikda Skikda Algeria
4. Department of Mechanical Engineering University of West Attica Athens Greece
5. Department of Mathematics, Manipal Institute of Technology Bengaluru Manipal Academy of Higher Education Manipal Karnataka India