1. Department of Mathematics and Computing, Indian Institute of Technology (ISM) Dhanbad, Dhanbad, India
2. Department of Mathematics, Satyendra Narayan Sinha College Tekari, Magadh University, Bodhgaya, India
3. Department of Mathematics, Ras Narayan College Pandaul, Lalit Narayan Mithila University, Darbhanga, India
4. Center for Nondestructive Evaluation (CNDE), Iowa State University, Ames, IA, USA
5. Department of Statistics, Central University of Rajasthan, Ajmer, India