The breast milk is very healthy and full of nutrition, it provides the primary source of nutrition fornew-borns before they are able to digest more diverse food. The breast milk also contains balanced nutrients that arerequire for brain development, growth and a healthy immune system that act against viruses, bacteria, and parasites, since an infant’s immune system is not fully developed until the age of 2 yrs.It is required to timely evaluate knowledge and to bring about positive attitude in the staffs regarding the implementation of the Baby Friendly Hospital Initiative policy. Objective: To assess the knowledge on Baby-Friendly Hospital Initiative policy (BFHI) among staff nurses in the MCH unit at MGMCRI&H, Puducherry. Materials and Methods: Quantitative Research Approach, Non-experimental descriptive design. The population for the study consisted of 60 staff nurses from the Maternal and Childcare unit of MGMCRI, Puducherry. The data were collected through a structured questionnaire to assess the knowledge of staff nurses on the Baby-Friendly Hospital Initiative (BFHI). The data were analyzed both descriptive (mean, Frequency, Percentage and standard deviation) and inferential statistics (Kruskal-Wallis). Results: Discussion on the findings were arranged based on the objectives of the study. The present study reveals that, among 60 staff nurses, 48(80%) of them had moderately adequate knowledge, 9(15%) of them had adequate knowledge and 3(5%) of them had inadequate knowledge regarding Baby-friendly Hospital Initiative Policy. Conclusion: The study reveals that most of the Staff Nurses had moderately adequate knowledge of the Baby-Friendly Hospital Initiative Policy.