1. Department of Mathematics Vijayanagara Sri Krishnadevaraya University Ballari Karnataka India
2. Department of Mathematics, Manipal Institue of Technology Bengaluru Manipal Academy of Higher Education Manipal Karnataka India
3. Department of Mathematics, Manipal Institute of Technology Manipal Academy of Higher Education Manipal Karnataka India
4. Fluid Dynamics and Survey Research Group, Department of Mathematical Sciences Federal University of Technology Akure Akure Nigeria