The Trade and Merchandise Marks Act,1958
Section 123. Agents
Where, by or under this Act, any act, other than the making of an affidavit, is required to be done before the Registrar by any person, the act may subject to the rules made in this behalf, be done, instead of by that person himself, by a person duly authorised in the prescribed manner, who is-
(a) A legal practitioner, or
(b) A person registered in the prescribed manner as a trade marks agent, or
(c) A person in the sole and regular employment of the principal.