Dr. Sandeep Singh is an Assistant Professor at the Department of Mathematics at Akal University Talwandi Sabo, Bathinda, Punjab, India. He received his Ph.D. in Group Theory (Mathematics) from School of Mathematics, Thapar University, Patiala, India. Prof. Aliakbar Montazer Haghighi is a Professor at the Department of Mathematics, Prairie View A&M University, Texas, USA. He received his Ph.D. degree from Case Western Reserve University, Cleveland, Ohio, USA. Dr. Sandeep Dalal is a postdoctoral fellow at NISER, Bhubaneshwar, Orrisa, India. He received his Ph.D in algebraic graph theory from the Department of Mathematics, Birla Institute of Technology and Science, Pilani, India.