Generally, the debentures are:

Secured over assets of the company

The correct answer is option 1- Secured over assets of the company.

Shares are not secured by any charge whereas the debentures are generally secured and carry a fixed or floating charge over the assets of the company. On Secured debentures, a charge is created on the assets of the company for the purpose of payment in case of default. The charge may be fixed or floating

Debentures often have security or collateral attached to them, which is typically in the form of the company's assets. When debentures are secured over company assets, it means that if the company defaults on its debt obligations, debenture holders have a claim on these assets to recover their investment. This security provides a level of protection to debenture holders, making it more likely that they will receive their principal and interest payments even in cases of financial distress or bankruptcy by the company. The debentures are generally secured and carry a fixed or floating charge over the assets of the company.