Science and Education Publishing American Journal of Applied Psychology 1 3 2013 11 15 Comorbidity between Borderline Personality Disorder (BPD) and Attention Deficit Hyperactivity Disorder (ADHD) among Adults: A Cross Cultural Comparison between India and Kuwait 49 57 EN Siddiqa Najamuddin Mohammed Hussain Counselor & Clinical Psychologist, Gulf University for Science & Technology, Mishref, Kuwait AJAP2013134 10.12691/ajap-1-3-4 2013 09 09 2013 09 29 2013 11 15 A study conducted on two different samples of already diagnosed Borderline Personality Disorder (30 each) from two different countries (India & Kuwait) to examine the comorbidity between Borderline Personality Disorder (BPD) and Adult Attention Deficit Hyperactivity Disorder. Clinical Anger, Impulsivity and Affective disorder are common symptoms shared by both the disorders. SPSS, Quantitative and Qualitative analyses are made.