The Government of India’s Department of Biotechnology and the Bill & Melinda Gates Foundation are inviting proposals through Grand Challenges India for the program Immunization Data: Innovating for Action (IDIA) with technical partnership from the Government of India’s Ministry of Health and Family Welfare and the Department of Health Research (DHR) and the Indian Council of Medical Research (ICMR). The program seeks innovations in data systems for immunization to aid real-time visibility of the correlation between consumption and coverage of immunizations.