Abstract The prevalence of epidemiological diseases, including diabetes, has continued to increase because of the adaption of Western culture and the lack of self-care activities among patients with diabetes. Therefore, in this cross-sectional study, we aimed to assess self-care plans and determinants among diabetes outpatients in Warangal. We conducted a prospective observational study among diabetes outpatient clinic in Warangal, India over 6 months from October 2019 to March 2020. We used the expanded Summary of Diabetes Self-Care Activities (SDSCA) questionnaire. A P value of less than < 0.05 was considered statistically significant. Respondents (mean age, 52.3 (standard deviation (SD), 11.01) years) had an overall SDSCA score of 49.18 ± 3.57 (SD). Mean scores for the diet, physical activity, foot care, medication adherence, and blood sugar testing scales were 12.79 (SD, 1.61), 10.24 (SD, 1.77), 15.67 (SD, 1.5), 5.66 (SD, 1.17), and 4.80 (SD, 0.68), respectively. Patients’ age, education, disease duration and hemoglobin A1C (HbA1C) levels of <7.5% (P < 0.001)) had significantly higher mean scores for blood sugar testing, diet, physical activity, and adherence (P < 0.001). The employment status is associated with all the domains of Summary of Diabetes Self-Care Activities (P < 0.001). Taken together, our results revealed that patients with diabetes in Warangal had poor self-care planning, highlighting the need for strengthening initiatives that generate awareness regarding diabetes and improving related self-care practices