Cognitive dysfunction.

Ruta graveolens is a delicate plant until it is called as herb of grace. It is easily wither if it is happen to be touched with impure hands. In India it is considered as one of the sacred  plants .It has special fragrance .The leaves are bitter in taste .In Tamil it is called as Aruvatham patchai, and it is called as sada pillai as per siddha system of medicine , in Malayalam it is called as aruthu means no(Number), In Sanskrit it is called as santhapa,[KR Raman]. This plant nowadays have been used commonly as an ornamental plants in houses and institutes and other public areas, the medicinal knowledge  behind this plant  are still lacking with  the people whose planting this plant, the answer is just they say for gardening. Even though   lot  of study  was already made on this plant which is mentioned in an different literature  and books .The aim of this study is to bring out  some of the important traditional uses  and also to promote this plant for the  cognitive dysfunction which is recommended by personal  experience.