‘Manasa Prakriti’ a unique concept of Ayurveda plays a pivotal role in understanding the individual. Measures to maintain health and methods to manage diseases should be advised after the evaluation of ‘Manasa Prakriti’. More emphasis is given for shareerika prakriti’ in day to day practice, but the subtle and important ‘Manasa Prakriti’ is concealed till today. In the present work Concept of Manas with all its perspectives and Concept of Prakriti in general are narrated. Differences between shareerika, manasa and bhoutika prakritis are emphasized. Factors responsible for the formation of ‘Manasa Prakriti’, factors influencing ‘Manasa Prakriti’, different components of’Manasa Prakriti’ are narrated in detail. Role of prakriti in three skandas i.e. Hetu skanda, Linga skanda and Aushada skanda are narrated. ‘Concept of Personality’ which is narrated in the contemporary science simulates with the concept of ‘Manasa Prakriti’. Here a humble effort has been made to explain the concept of personality in brief and to explore the unique concept of ‘Manasa Prakriti’ with the support of all relevant references. Hope the scholarly personalities of Ayurveda will accept it.