As per Section 125 (4) of the Companies Act, registration of a charge for purpose of issue of debentures is mandatory. Section 128 stipulates that where a company issues series of debentures which is secured by charge, benefit of which will be available to all debenture holders pari passu, the company shall file the prescribed particulars in Form 10 and 13 with the Registrar of Companies for registration of charge. These forms shall be filed within 30 days after the execution of the deed.