Mania is characterised by affective disturbances, elevated or irritable mood, increased rate or amount of speech, flightof ideas, grandiose ideation, lack of insight, behavioural disturbances characterised by over activity and social disinhibition. In 1978, Krauthammer and Klerman introduced the concept of secondary mania where mania is caused byneurological, metabolic or toxic disorders. Mania seems to be more frequent after right-sided lesions, but there are also reports of mania following left lesions. Here is a case of 60 year old male from Meerut, retired army professional, married who came with the chief complaints of aggressive, violent behaviour, increased talk, decreased sleep and increased activity since past 2 months, insidious in onset and continuously progressive in nature. On MSE he was unkempt, untidy, overfamiliar, irritable affect, increased volume of speech, grandiose delusion with impaired judgement and insight grade 1 showing past h/o hypertension, noncompliance with medication, h/o stroke 2 months back after which he had these symptoms. On MRI right sided old frontal lobe infarct present. Patient was admitted and started on Olanzapine and Quetiapine and showed improvement inbehavioural symptoms. Hospital stay was 1.5 weeks after which he was discharged on the same medication and is currently maintaining well.