Securities premium account can be used only for the following four purposes as laid down by Section 78 of the Companies Act 1956
(i) To issue fully paid bonus shares to an extent not exceeding unissued share capital of the company.
(ii) To write-off the preliminary expenses of the company.
(iii) To write-off, the expenses of, or commission paid, or discount allowed on any of the shares or debentures of the company.
(iv) To pay a premium on the redemption of preference shares or debentures of the company.