The study using primary and secondary data assessed the effectiveness of partnerships with CBOs and CSOs (large networks and alliances) in motivating LODOR families from the most marginalized communities towards full immunization coverage. The assessment covered both rural and urban locations across six states of India namely Assam, Gujarat, Maharashtra, Manipur, Rajasthan and Uttar Pradesh. Respondent groups included program officials at state, district and block levels, PRI/ULB representatives, FLWs and volunteers.