Effectiveness of planned teaching on knowledge regarding psychiatric emergencies and its management among staff nurses in selected hospital” Objectives of the study: To assess the existing knowledge regarding psychiatric emergencies and its management among staff nurses before planned teaching. To assess the effectiveness of planned teaching regarding psychiatric emergencies and its management after teaching planned teaching. To determine the association between knowledge regarding psychiatric emergencies and its management among staff nurses with their selected demographic variables. This study was based on quantitative approach. Sample: The population was staff nurses in selected hospitals. The sample consisted of 30 staff nurses. The inclusion criteria were: (a) Staff nurses working in the hospitals, (b) Staff nurses willing to participate in the study, (c) Staff nurses who could understand and speak Marathi, Hindi, and English. The tool was self-structured knowledge questionnaire. Based on the objectives and the hypothesis the data were analyzed and by using various statistical tests i.e. percentage, mean, chi square and standard deviations’ test. The level of significance set for testing the hypothesis was at 0.05. Results: The findings show that the calculated ‘t’ value was 10.19 for knowledge regarding study psychiatric emergencies. The calculated ‘t’ value was much higher than the tabulated value. Hence, it was strongly interpreted that the planned teaching regarding psychiatric emergencies was effective. So, the H1 was accepted.