1. Centre of Excellence in Disaster Mitigation & Management, Indian Institute of Technology Roorkee, Roorkee 247667, India
2. Department of Earth Sciences, Indian Institute of Technology Roorkee, Roorkee 247667, India
3. Department of Earthquake Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
4. Department of Mathematics, Indian Institute of Technology Roorkee, Roorkee 247667, India