Central depository is an organization with which all the shares, belonging to the shareholders are kept and the electronic system takes care of them.
Share Registrar is an authority who controls the issue of securities. Along with this, the transfer agent arranges for the transfer of securities in the case of buying or selling of securities.
Clearing & Settlement Corporation:
This agency settles the transfer of funds between the seller and buyer.
Depository Participant (D.P):
He is like a share broker and he trades as per the instructions of the shareholder in and outside the stock exchange. An ID Account number is given by the Depository Participant (D.P) to every shareholder when he/she opens an account for dematerializing the securities. D.P is a representative in the depository system on behalf of the shareholder and he only intimates to the shareholder periodically the securities account held by the customer. As per SEBI regulations, financial institutions, banks, stockbrokers, etc., can be Depository Participants.