1. Scientist-B, KSCSTE-National Transportation Planning and Research Centre (KSCSTE-NATPAC), Kerala, India; Post-doctoral Fellow, Centre for Technology Alternatives for Rural Areas, IIT Bombay, Mumbai, Maharashtra, India
2. Assistant Professor, Centre for Technology Alternatives for Rural Areas, IIT Bombay, Mumbai, Maharashtra, India (corresponding author: )
3. Professor, Trinity College, Dublin, Republic of Ireland
4. Former Professor and Dean, NIT Calicut, Kozhikode, Kerala, India