(2)Notwithstanding anything contained elsewhere in this Act, a person who holds a beneficial interest in a share or a class of shares of a company shall, within thirty days from the commencement of the Companies (Amendment) Act, 1974 (41 of 1974), or within thirty days after his becoming such beneficial owner, whichever is later, make a declaration to the company specifying the nature of his interest, particulars of the person in whose name the shares stand registered in the books of the company and such other particulars as may be prescribed.