1. Department of Mathematics, AKI’s Poona College of Arts, Science and Commerce, Pune, India
2. Department of Mathematics, Nowrosjee Wadia College Pune, India
3. Department of Mathematics, Pratishthan Mahavidyalaya, Paithan, India.
4. Department of Mathematics, College of Arts and Sciences, Prince Sattam bin Abdulaziz University, Wadi Aldawaser, 11991, Saudi Arabia.