1. Associate Professor, Dept. of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India (corresponding author).
2. Research Scholar, Dept. of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.
3. Formerly Graduate Student, Dept. of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.