Section 2(1)(ix) in The Companies (Acceptance of Deposits) Rules, 2014
(ix)any amount raised by the issue of bonds or debentures secured by a first charge or a charge ranking pari passu with the first charge on any assets referred to in Schedule III of the Act excluding intangible assets of the company or bonds or debentures compulsorily convertible into shares of the company within [ten] [Substituted 'five' by Notification No. G.S.R. 639 (E), dated 29.6.2016.] years: