1. PG and Research Department of Mathematics, Cauvery College For Women (Autonomous), Affilated to Bharathidasan University, Tiruchirappalli, Tamil Nadu, India + Department of Mathematics, Srinivas University, Suranthkal, Mangalore, Karnataka, India
2. PG and Research Department of Mathematics, Cauvery College For Women (Autonomous), Affilated to Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
3. Department of Mathematics, Faculty of Arts and Science, Yildiz Technical University, Esenler, Istanbul, Turkey
4. Department of Mathematics, Anand International College of Engineering, Jaipur, Rajasthan, India
5. Institut Superieur d’Informatique et des Techniques de Communication, Universite de Sousse, H. Sousse, Tunisia + Department of Mathematics and Applied Mathematics, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa + China Medical University Hospital, China Medical University, Taichung, Taiwan
6. College of Business Administration-Finance Department, Dar Al Uloom University, Al Falah, Riyadh, Saudi Arabia