1. Department of Mathematics, Azad Jammu & Kashmir University, Muzaffarabad 13100, Pakistan
2. Research and Development Wing, Live4Research, Tiruppur 638106, Tamil Nadu, India
3. Department of Mathematics and Statistics, Manipal University Jaipur, Jaipur 303007, Rajasthan, India
4. Department of Mathematics and Statistics, International Islamic University, Islamabad 44000, Pakistan
5. Department of Humanities and Management, Jigme Namgyel Engineering College, Royal University of Bhutan, Dewathang, Bhutan