Background:Bipolar affective disorder, often referred to simply as bipolar disorder, is a mental health condition characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression). The present study was conducted to assess nonadherence in bipolar affective disorder (BPAD) patient. Materials & Methods:82 patients who were diagnosed with bipolar affective disorder (BPAD) were selected. Parameters such as types of psychotropics, predominant episode, duration of hospital stay, frequency of follow-up, adherence to nonpsychiatry medications, percentage of adherence, etc. was recorded. Results: Out of 82 patients, males were 50 and females were 32. Types of psychotropics was antipsychotics in 22, mood stabilizers in 11, antidepressants in 15 and AP + MS and 34 patients. Predominant episode was depression in 18, mania in 52, mixed in 12 cases. Duration of hospital stay was < 2 weeks in 36, 2 weeks - 1 month in 32, and >1 month in 14 cases. Frequency of follow-up was 2 weeks in 7, once a month in 21, once in 2 months in 18 and not for the past 3 months in 36. Adherence to non-psychiatry medications was seen in 26, not in 20 and nil in 36. Percentage of adherence was <49 in 38, 50-79 in 22, 80-100 in 7 and 100 in 5 cases. Conclusion: The most of the patients had non- adherence to medication. The follow up was also poor among patients.