In India, shares and securities are held electronically. This is in the dematerialised form. Also known as demat. The account used to store your shares and securities is known as a demat account. So, instead of holding securities in the certificate form, you hold them electronically. You can make use of an investment broker to open a demat account. A trading account is used to trade in shares and securities in the equity as well as debt market. The demat account is only used for storing securities and cannot be used for trading. So, trading and demat accounts are not the same. A trading account is often a platform provided by your broker for trading in securities. The trading account will be linked to the demat account.