1. Department of Mathematics, Karnatak University, Dharwad 580003, India
2. Department of Mathematics, Davangere University, Shivagangothri, Davangere-577007, India
3. Department of Mathematics, University of Rajasthan, Jaipur, Rajasthan 302004, India
4. Department of Mathematics,Faculty of Arts and Sciences, Cankaya University, Eskisehir Yolu 29.Km, Yukarıyurtcu Mahallesi Mimar Sinan Caddesi No: 4. Etimesgut 06790, Turkey; Institute of Space Sciences, Magurele-Bucharest 077125, Romania; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
5. Department of Mathematics, JECRC University, Jaipur, Rajasthan 303905, India