Introduction: Maternal and child health refers to the promotive, preventive and curative and rehabilitative care of mothers and children. Antenatal 1 care is the care of women during pregnancy the main aim of care is to achieve at the end if a pregnancy healthy mother and healthy baby. Most of the Antenatal mothers don't know about the Different maternal health benets scheme. Providing knowledge about the maternal health benets scheme helps to live a better-quality life.The aim of the study was to nd the effectiveness of Self-Instructional Module (SIM) on the knowledge regarding Maternal health benet schemes among antenatal mothers. Methods: An evaluative approach with pre-experimental one group pre-test post-test design was used with purposive sampling technique to select the sample (N=50). A structured knowledge questionnaire was used to assess the Knowledge and SIM was administered to nd its effectiveness. The collected data was analyzed by using Descriptive statistics like mean, median and standard deviation, and inferential statistics like paired and independent 't' test was included to test the hypothesis and Chi-square test was included to test the association of knowledge scores with demographic variables. Results: The mean percentage of post-test knowledge score (79.1 %) was higher than the mean percentage of pre-test knowledge score (46.5%). The calculated' value [t (49) = 52.39] is greater than the table 2 value (0.05, 49df) = 1.96. It showed a signicant difference between mean pre- and post- test knowledge scores. The calculated χ values for age 2 group, type of family, educational status, family income per month, Gravida of the mother were more than the table value and calculated χ values were less than the table values for Source of information with their post-test knowledge scores. Interpretation & Conclusion: The ndings of the study showed that there was a decit in knowledge of Antenatal mothers before administration of SIM. The results indicated that the SIM is effective in increasing the knowledge of Antenatal mothers on Maternal health benet schemes.