Abstract: Mothers and newborns are vulnerable to illness and deaths during the postnatal period. Postnatal period is the important part of maternal health care as the serious and life threatening complications can occur in postnatal period. The health of the mother is regarded as the indicator of health of the society so postnatal care is important for the health of mother and newborn as well. A descriptive research design was used in this study. Non probability purposive sampling technique was used to select the postnatal mothers. One hundred ninety six postnatal mothers were interviewed face to face using structured questionnaires. Most of the respondents 79(40.31%) belongs to 22-25 age groups and the mean age was 24.12 years. Majority of the respondents 182(92.86%) were Hindu. All the respondents were literate. Out of 196, 146(74.48%) of the respondents, got information from friends and family. Most of the respondents 123(62.76%) had average level of knowledge on postnatal care. Highest knowledge was in the area of danger sign of mothers and newborn and the lowest in the areas of family planning. The overall mean percentage was 64.34. There was significant association of level of knowledge with selected demographic variables; occupation (χ2=5.008) and education level (χ2=48.75). Mothers had moderate level of knowledge about postnatal care. Highest knowledge was present in danger sign and lowest in family planning. Awareness program is required to improve maternal knowledge on postnatal care.