लेखक: Virendra Bahadur Singh

Sughosh Madhav is a Postdoctoral Fellow in the Department of Civil Engineering, Jamia Millia Islamia, New Delhi, India. Virendra Bahadur Singh is an Assistant Professor at Ram Lal Anand College, University of Delhi, New Delhi, India. Manoj Kumar is an Assistant Professor in the Department of Environmental Studies, Central University of Haryana, India. Sandeep Singh is a Professor in the Department of Earth Sciences, Indian Institute of Technology Roorkee, India.