1. Department of Mathematics, Kandaswami Kandra’s College, Paramathi Velur 638182, Tamil Nadu, India
2. Department of Mathematics, Hindustan Institute of Technology and Science, Rajiv Gandhi Salai (OMR), Padur, Kelambakkam, Chennai 603103, Tamil Nadu, India
3. Department of Mathematics, College of Science, King Khalid University, Abha 61413, Saudi Arabia
4. Department of Mathematics, Periyar Maniammai Institute of Science & Technology, Vallam, Thanjavur 613403, Tamil Nadu, India