1. Department of Mathematics, SSM College of Engineering, Namakkal, Tamilnadu, India
2. Department of Mathematics, Erode Arts and Science College, Erode 638009, Tamilnadu, India
3. Department of Mathematics and Statistics, Manipal University Jaipur, Jaipur, Rajasthan, India
4. Research and Development Wing, Live4Research, Tiruppur 638106, Tamilnadu, India
5. Amrit Campus, Tribhuvan University, Kathmandu, Nepal