Dr S. Irudaya Rajan is Professor at the Centre for Development Studies (CDS), Thiruvananthapuram, Kerala, India. With more than three decades of research experience at the CDS, he has coordinated eight major migration surveys in Kerala since 1998 (with Professor K. C. Zachariah); conducted migration surveys in Goa, Tamil Nadu and Punjab; and provided technical support for the Gujarat Migration Survey. He has published extensively in national and international journals on the demographic, economic, social, health, psychological and political implications of migration for individuals, families, communities, societies and economies. Prof Rajan is currently engaged in several projects on international migration with the European Union, World Bank, Columbia and Johns Hopkins Universities and UAE Exchange Centre, Abu Dhabi. He works closely with the Ministry of External Affairs, Government of India, Department of Non-Resident Keralite Affairs, Government of Kerala, and Kerala State Planning Board. Professor Prem Saxena’s academic career spans over five decades, during which he has worked at premier educational institutions in India and abroad. He first worked at Banaras Hindu University, Varanasi, before joining the American University of Beirut, where he worked for 10 years. Upon returning to India, he joined Tata Institute of Social Science, Mumbai, where he remained for 6 years. Prof Saxena has published a number of research articles on the impact of the Lebanese civil war on the demographic and social fabric of its people. He has published over 100 research papers in peer-reviewed national and international journals, and has three edited books to his credit. Contributors Abdullah Al Mutairi, Center for Population Studies, King Saud University, Riyadh, Saudi Arabia Ajaya Kumar Sahoo, Associate Professor, Centre for Study of Indian Diaspora, University of Hyderabad, India Ajmal Khan A.T. Doctoral Scholar at the School of Development Studies, Tata Institute of Social Sciences, Mumbai and doctoral fellow at the Centre for the Study of Developing Societies, New Delhi, India Ali Aldosari, Center for Population Studies, King Saud University, Riyadh, Saudi Arabia Anu Abraham, Doctoral Scholar, Indian Institute of Technology, Chennai, India Asharaf Abdul Salam, Center for Population Studies, King Saud University, Riyadh, Saudi Arabia E. Sownthara Rajan, Doctoral Scholar, 'Indian Institute of Management, Trichy, India H. Arokkiaraj, Doctoral Scholar, Department of Social Work, University of Delhi, India Ibrahim Awad, Professor and Director, Center for Migration and Refugee Studies (CMRS), The American University in Cairo (AUC), Cairo, Egypt Ibrahim Elsegaey, Center for Population Studies, King Saud University, Riyadh, Saudi Arabia Jeetendra D. Soni, Research Scholar, Centre for the Study of Regional Development, Jawaharlal Nehru University, New Delhi, India K. C. Zachariah, Emeritus Professor, Centre for Development Studies, Thiruvananthapuram, Kerala, India  Lina Lotayef, Research Associate, Center for Migration and Refugee Studies (CMRS), The American University in Cairo (AUC), Cairo, Egypt Mashkoor Ahmad, Assistant Professor, Department of Geography, Aligarh Muslim University, Uttar Pradesh, India Nilanjana Ray, PhD Chairperson, School of Gender Studies, Tata Institute of Social Sciences TSIRD Campus, Hyderabad, India P.S. Nair, Professor and Head of Demography/Population Studies, University of Botswana, Gaborone (Retd.); presently Director (Research) International Centre for Gandhian Studies, Thiruvananthapuram, India Ray Jureidini, Professor Migration Ethics and Human Right, Center for Islamic Legislation and Ethics at the Hamad Bin Khalifa University, Doha, Qatar Rshood M. Khraif, Center for Population Studies, King Saud University, Riyadh, Saudi Arabia Seema Gaur, Adviser, Office of Economic Adviser, Department of Industrial Policy and Promotion, Ministry of Industry and Commerce, Government of India, India Serhat Yalçin, Department of Political Science – Globalization & Politics, University of Kassel, Germany Trilok Chandan Goud, Doctoral Scholar, Centre for Study of Indian Diaspora, University of Hyderabad, India