(1) The designated authority shall, by issue of a public notice terminate an investigation immediately if-

(a) it receives a request in writing for doing so from or on behalf of the domestic industry affected, at whose instance the investigation was initiated;

(b) it is satisfied in the course of an investigation, that there is no sufficient evidence either for subsidisation or, where applicable, injury to justify continuation of the investigation;

(c) it determines that the amount of subsidy is less than one per cent ad valorem or in the case of a product originating from a developing country the amount of subsidy is less than two per cent.

(d) it determines that the volume of the subsidized imports, actual or potential or injury where applicable, is negligible or in the case of a product originating in a developing country the volume of the subsidized imports represents less than four per cent of the total imports of the like product into India, unless imports from developing countries whose individual shares of total import represent less than four per cent collectively account for more than nine per cent of the total imports of the like product into India.