Section 180(2)(d) in The Coimbatore City Municipal Corporation Act, 1981
(d)debentures issued by the Government undertakings such as the Tamil Nadu Industrial Development Corporation Limited and the Small Industries Development Corporation and shall be invested in the joint names of the Secretary to the Government of Tamil Nadu, Finance Department and the Examiner of Local Fund Accounts, Tamil Nadu to be held by them as trustees for the purpose of repaying at due date the debentures issued by the corporation. Every such investment shall be reported by the Commissioner to the council within fifteen days.