To utilise the services offered by a depository, any person having investment in any security or intending to invest in securities needs to have a demat account with a CDSCL-DP. The holder of such demat account is called as "Beneficial Owner (BO)". A BO can maintain a demat account with zero balance in such account. A BO can open more than one account with the same or multiple DPs, in the same name/s and order, if he/she desires so. The investor can approach any DP/s of his/her choice to open a demat account.