The study aimed to assess the impact of various interventions in reducing child marriage and to understand the current status and trends of child marriage incidence at the village level across five Indian states — Rajasthan, Karnataka, Bihar, Assam, and Maharashtra. Using a village-level quantitative survey approach, a structured tool was administered to key informants such as village heads, Panchayati Raj Institution members, and school teachers across 150 villages per state (750 villages overall). Outline India led tool review, translation into regional languages (including Marathi for Maharashtra), digitization on a CAPI platform (SurveyCTO/Kobo), recruitment and training of field teams, data collection, data management, analysis, and preparation of the final report.