[1] Govt Coll Engn, Dept Math, Karad 415124, India
[2] Vaagdevi Coll Engn Autonomous Bollikunta, Dept Math, Warangal 506005, Telangana, India
[3] Deemed Univ, Symbiosis Inst Technol, Dept Math, Symbiosis Int, Pune 412115, India
[4] Mukesh Patel Sch Technol Management & Engn, Dept Appl Sci & Humanities, SVKMs, NMIMS, Shirpur campus, Shirpur 425405, India