Which of the following charges is/are not required to be registered by a company with Registrar of Companies?

(a) a charge on uncalled share capital (b) a charge in the form of a pledge (c) a charge on book debts (d) a floating charge

The following charges are compulsorily registrable: A charge for the purpose of securing any issue of any debentures A floating charge A charge on uncalled share capital A charge on calls made but not paid A charge on any immovable property A charge on ship A charge on book debts of the company A charge on goodwill or on patent or on license under the patent or on trademark or copyright or on the license under the copyright A charge other than a pledge on any movable property of the company