The compounded burden of micronutrient deficiencies, early-life cognitive delays, and adolescent psychosocial distress, especially in marginalized populations such as tribal and underserved urban communities, highlights the need for innovative, scalable, and culturally responsive public health strategies. These must be multisectoral in nature, bridging the health, nutrition, education, and social protection systems. In parallel, vaccine hesitancy continues to impede immunization coverage and public trust, necessitating behaviourally informed, community-engaged communication and demand-generation strategies. This thematic area aligns with multiple Sustainable Development Goals[, notably SDG 3 (Good Health and Well-being), SDG 2 (Zero Hunger), and SDG 5 (Gender Equality), and complements India’s national goals on reducing maternal and child morbidity and mortality. We invite proposals that promote integrated, equity-driven, and contextually grounded approaches to strengthen maternal, child, and adolescent health outcomes and inform scalable policy action, with a focus on the following sub-themes: