1. Department of Mathematics Vijayanagara Sri Krishnadevaraya University Ballari Karnataka India
2. Department of Mathematics Karnataka State Akkamahadevi Women's University Vijayapura Karnataka India
3. Department of Physics, Faculty of Sciences University 20 August 1955 Skikda Algeria
4. Fluid Dynamics and Survey Research Group, Department of Mathematical Sciences The Federal University of Technology Akure Nigeria
5. Faculty of Military Science Stellenbosch University Saldanha South Africa