1. Department of Applied Sciences, Krishna Engineering College, Ghaziabad, India
2. Department of Mathematics, Thiruvalluvar University, Vellore, India
3. Department of Applied Sciences, G L BAJAJ Institute of Technology and Management, Greater Noida, India
4. Department of Mathematics, SRM Institute of Technology, Chennai, Tamilnadu
5. Department of Mathematics, Prince Sattam bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia