1. Senior Research Scholar, Dept. of Mathematics, IIT Kharagpur, Kharagpur, West Bengal 721302, India (corresponding author). ORCID: .
2. Senior Research Scholar, Dept. of Mathematics, IIT Kharagpur, Kharagpur, West Bengal 721302, India.
3. Associate Professor, Dept. of Mathematics, IIT Kharagpur, Kharagpur, West Bengal 721302, India.
4. Professor, Dept. of Civil Engineering, IIT Kharagpur, Kharagpur, West Bengal 721302, India. ORCID: .