Under the SEBI Act, which section deals with the registration of stock brokers, sub-brokers, share transfer agents, and other intermediaries?

Section 12 Registration of stock brokers, sub-brokers, share transfer agents, etc.: (1) No stock broker, sub-broker, share transfer agent, banker to an issue, trustee of trust deed, registrar to an issue, merchant banker, underwriter, portfolio manager, investment adviser and such other intermediary who may be associated with securities market shall buy, sell or deal in securities except under, and in accordance with, the conditions of a certificate of registration obtained from the Board in accordance with the 43[regulations] made under this Act.