Introduction: To decrease the maternal and neonatal mortality and morbidity, early detection of the baby danger sign and danger sign of pregnancy by the mothers. The study was planned with the objective to assess the knowledge of postnatal mothers for the danger signs of pregnancy and baby danger signs in the rural area of Gwalior. Material and Methods:Present cross-sectional study was conducted among 375 postnatal mothers between the period of July 2022 to December 2023 in Gwalior District of Northern India. The collected data were entered into an Excel spreadsheet for easy calculation. Frequency, percentage was calculated. Bar diagram was presented to show the graphical presentation of the data. Results:In the present study 375 post-natal (PN) mothers, most of the participants i.e., 225 (60%) were in the age group 19-25 years followed by 126 (33.6%) were in the 25-30 years and 24 (6.4%) in the >30 years. It was observed that 260 (69.33%) mothers were aware about Bleeding from vagina before 37 weeks, 244 (65.07%) mothers were aware about severe pain in abdomen ,159 (42.40%) mothers aware about the high fever, 158 (42.13%) mothers aware about the Swelling in face or body. For the knowledge of PN mothers on baby danger signs ,most common baby danger sign reported was fever (64%) followed by severe vomiting (58.93%), difficulty in breathing (50.93%), vomiting/unconsciousness (44.0%). Conclusion: Least aware danger sign of pregnancy was observed as Fits with severe pain in abdomen, Breast problem, Severe sadness, Slow progress of labour more than 12 h and High fever with blurring of vision below than 10% mothers were aware reagrding these signs. Least aware baby danger sign was Yellowness of soles, Yellowness of palms, Eye problems, Yellowness of eyes.