Section 237(4) in Tamil Nadu District Municipalities Act, 1920
(4)If upon such consideration, the council is of opinion that the structure has not been rendered fit for human habitation and that steps are not being taken with due diligence to render it so fit and that the continuance of the structure is a nuisance or dangerous or injurious to the health of the public or to the inhabitants of the neighbourhood, it shall record a decision to that effect, with the grounds of the decision, and the [executive authority] [These words were substituted for the word 'chairman' by section 17(1) of the Tamil Nadu District Municipalities (Amendment) Act, 1933 (Madras Act XV of 1933).] shall, in pursuance of the said decision by notice, require the owner to demolish the structure.