A premier on depositories and demat system. Dematerialized securities (‘Demat’ in short) are securities that are not on paper and a certificate to that effect do not exist. They exist in the form of entries in the book of depositories, essentially, unlike the traditional method of possessing a share are held in a dematerialized form. Depositories Act was passed in 1996 and SEBI Directed Regulations in order to provide the regulatory framework for the depositories. The question usually asked is: How far the investors’ aware about demat account? In this study, he found that the awareness level of investors regarding demat account. Recently conducted Investors’ Awareness on Demat Account in Sulur Taluk, Coimbatore District.