1. Assistant Professor, Dept. of Civil Engineering, National Institute of Technology-Karnataka, Surathkal, Mangalore 575025, India.
2. Associate Professor, Dept. of Civil Engineering, National Institute of Technology, Hamirpur, Hamirpur, Himachal Pradesh 177005, India (corresponding author).
3. Professor, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India.