1. Research Scholar Department of Civil Engineering Indian Institute of Technology Delhi Hauz Khas, New Delhi, 110016, IN, e-mail: janakiramsvu@gmail.com
2. Professor Department of Civil Engineering Indian Institute of Technology Delhi Hauz Khas, New Delhi, 110016, IN (Correspoding Author) e-mail: gvramanaiitdelhi@gmail.com; ramana@civil.iitd.ac.in