(3)Where in pursuance of clause (d) of sub-section (2), any shares or securities in which investments have been made by a company are not held by it in its own name, the company shall maintain a register which shall contain such particulars as may be prescribed and such register shall be open to inspection by any member or debenture-holder of the company without any charge during business hours subject to such reasonable restrictions as the company may by its articles or in general meeting impose.