Introduction: Maternal and child health services were proposed to escalate institutional deliveries, to bring down the out-of-pocket expenditure, to bring forth the quality care and nutrition to mother and baby and consequently curtail maternal mortality rate (MMR) and infant mortality rate (IMR). The objective of the study, To assess the awareness regarding POSHAN ABHIYAAN before and after additional Intervention Package among pregnant women. To compare the awareness regarding POSHAN ABHIYAAN before and after additional Intervention Package among pregnant women. Methods: A community-based study was conducted at Anganwadi centres, Raigad District, Maharashtra, India, among 528 pregnant women. They were interviewed using a structured validated questionnaire. Additional Intervention Package was implemented to the intervention group. Data were analysed using Statistical Package for Social Science version 24.Findings:57.15% had average awareness score regarding POSHAN ABHIYAAN in the pre-test. Major source of information was (ASHA) Accredited Social Health Activist (52.2%). Majority of pregnant women were multigravida (68.21%). Age group of pregnant women showed a significant association (p-0.043) with level of awareness regarding POSHAN ABHIYAAN. Implementation of Additional Intervention Package in the intervention group showed a markable upgrade in the awareness score (91.4%) regarding POSHAN ABHIYAAN. Conclusion: Implementation of Additional Intervention Package revamped the community and family level participation in the present study. Thus, sessions with health education and community-based activities along with implication of community groups will help to perk up POSHAN ABHIYAAN service awareness. Uptake can be enhanced through proper channelising the resources.