G. Madhu, VNR Vignan Jyothi Institute of Engineering and Technology, Hyderabad, India
E-mail: madhu_g@vnrvjiet.in

M.V. Ramana Murthy, Foundation for Scientific Research & Technological Innovation, Hyderabad, India
E-mail: ramanamurthy.mangipudi@researchfoundation.in

V. Sree Hari Rao, Foundation for Scientific Research & Technological Innovation, Hyderabad, India
E-mail: vadrevu.sree@researchfoundation.in

Sankar Mantripragada, Foundation for Scientific Research & Technological Innovation, Hyderabad, India
E-mail: mavsankar@researchfoundation.in

Bharti Joshi, Department of Mathematics, D.S.B. Campus, Kumaun University, Nainital-263001, India
E-mail: bhartijoshi20592@gmail.com

Naveen Chandra, Department of Mathematics, H.N.B. Garhwal University, B.G.R. Campus, Pauri-246001, India
E-mail: cnaveen329@gmail.com

Vivek Mainali, Department of Applied Sciences, BTKIT Dwatahat-263653, India
E-mail: mainalivivek7@gmail.com