[1] Fed Urdu Univ Arts Sci & Technol, Dept Math Sci, Karachi 75300, Pakistan
[2] Manipal Univ Jaipur, Dept Math & Stat, Jaipur 303007, Rajasthan, India
[3] Live4Research, Res & Dev Wing, Tiruppur 638106, Tamil Nadu, India
[4] Dr NGP Arts & Sci Coll, Dept Math, Coimbatore, Tamil Nadu, India
[5] Kongu Engn Coll, Dept Phys, Perundurai, Erode 638060, Tamil Nadu, India
[6] Tribhuvan Univ, Dept Phys, Amrit Campus, Kathmandu, Nepal