India Migration Report 2020 examines how migration surveys operate to collect, analyse and bring to life socio-economic issues in social science research. With a focus on the strategies and the importance of information collected by Kerala Migration Surveys since 1998, the volume: Explores the effect of male migration on women left behind; attitudes of male migrants within households; the role of transnational migration and it effect on attitudes towards women; Investigates consumption of remittances and their utilization; asset accumulation and changing economic statuses of households; financial inclusion of migrants and migration strategies during times of crises like the Kerala floods of 2018; Highlights the twenty-year experience of the Kerala Migration Surveys, how its model has been adapted in various states and led to the proposed large-scale India Migration Survey; and Explores issues of migration politics and governance, as well as return migration strategies of other countries to provide a roadmap for India.