1. Department of Information Science and Engineering, Acharya Institute of Technology, Bengaluru 560107, Karnataka, India
2. Department of Mathematics and Computer Science, University of Oradea, 1 Universitatii Street, 410087 Oradea, Romania
3. Post-Graduate and Research Developent of Mathematics, Government Arts College for Men, Krishnagiri 635001, Kathujuganapalli, India
4. Department of Mathematics, RV. College of Engineering, Bengaluru 560107, Karnataka, India