1. Postdoctoral Research Associate, Dept. of Biological and Agricultural Engineering, Texas A&M Univ., College Station, TX 77843-2117. ORCID: .
2. Senior Research Scholar, Dept. of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India (corresponding author). ORCID: .
3. Associate Professor, Dept. of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India.
4. Professor, Dept. of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India.
5. Distinguished Professor, Regents Professor and Caroline and William N. Lehrer Distinguished Chair in Water Engineering, Dept. of Biological and Agricultural Engineering, Zachry Dept. of Civil and Environmental Engineering, Texas A&M Univ., College Station, TX 77843. ORCID: .