A BSTRACT Objective: The English version of the Summary of Diabetes Self-Care Activities (SDSCA) measure is the most often used self-reporting instrument assessing diabetes self-management. This study was aimed at translating English SDSCA into the Hindi version and validating and evaluating its psychometric properties. Methods: The Hindi version of SDSCA was developed based on the guidelines provided by the World Health Organization (2008) for translation and adaptation of tool. Following steps were adopted: (1) Cultural and linguistic validation, (2) content validity testing, (3) construct validity testing, and (4) internal validity testing. Sixty women diagnosed with GDM were selected for the purpose of this study. Results: The tool showed promising and satisfactory results. Of mention are the results related to Cronbach’s alpha (0.82). The exploratory factor analysis showed three factors that fit the data satisfactorily. Conclusions: This study provided evidence for the reliability and validity of the Hindi Summary of Diabetes Self-Care Activities instrument, which may be used in the future to assess diabetes self-management activities among the pregnant women diagnosed with gestational diabetes mellitus among Hindi-speaking population.