1. Honorary Professor Emeritus, Dept. of Civil and Environmental Engineering, NorthCap Univ., Gurgaon, Haryana 122017, India (corresponding author).
2. Senior National Visiting Professor, Dept. of Statistics and Applied Mathematics, Federal Univ. of Ceara, Fortaleza, Ceara 60440-900, Brazil.
3. Professor, Dept. of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, Delhi 110016, India.