When can the Central Government levy protective duties as per section 6 of the Customs Tariff Act?

Section 6. Power of Central Government to levy protective duties in certain cases: (1) Where the Central Government, upon a recommendation made to it in this behalf by the Tariff Commission established under the Tariff Commission Act, 1951, is satisfied that circumstances exist which render it necessary to take immediate action to provide for the protection of the interests of any industry established in India, the Central Government may, by notification in the Official Gazette, impose on any goods imported into India in respect of which the said recommendation is made, a duty of customs of such amount, not exceeding the amount proposed in the said recommendation, as it thinks fit.