Coronavirus infection (COVID-19) has caused significant number of mortality and mporbidity in humans across the globe since 2019. India is also seeing an unprecedented adverse impact on all spheres of life, be it social or economic affecting all sections of the society, particularly the socioeconomically marginalized and vulnerable section. CMS as a partner to UNICEF India conducted a formative research, which was first-of-its-kind of qualitative study conducted before launch of COVID-19 vaccine in India, wherein face-to-face interactions through Triads and In-depth Interviews with general population and health warriors was conducted. All COVID appropriate protective measures were practiced by the study team members and participants during the data collection in five study states namely, Andhra Pradesh, Bihar, Odisha, Madhya Pradesh and Rajasthan. The study sample was equally distributed across rural and urban locations, gender, age group and socioeconomic classification (SEC) categories. The findings helped to understand and influence the three key factors for the success of the vaccination drive against COVID-19: Eagerness &Trust; Vaccine Hesitancy; and Willingness to Pay, both among general population and health warriors