Antahkarana; In Hindu philosophy, the antahkarana (Sanskrit: the inner cause) refers to the totality of two levels of mind, namely the buddhi, the intellect or higher mind, and the manas, the middle levels of mind which (according to theosophy) exist as or include the mental body.
Ahamkāra (ego) – identifies the Atman (self) with the body as 'I'
Buddhi (intellect) – controls decision making
Manas (mind) – controls sankalpa (will or resolution)
Chitta (memory) – deals with remembering and forgetting
Another description says that "antahkarana" refers to the entire psychological process, including mind and emotions, are composing the mind levels, as described above, which are mentioned as a unit that functions with all parts working together as a whole.
and also craving for new and pleasant sensations and emotions, while buddhi (intellect, intelligence, capacity to reason), is related to vijnanamayakosha - the body of consciousness, knowledge, intuition and experience.