(2)The safeguard measures referred to in sub-section (1) shall include imposition of safeguard duty, application of tariff-rate quota or such other measure, as the Central Government may consider appropriate, to curb the increased quantity of imports of an article to prevent serious injury to domestic industry:Provided that no such measure shall be applied on an article originating from a developing country so long as the share of imports of that article from that country does not exceed three per cent. or where the article is originating from more than one developing country, then, so long as the aggregate of the imports from each of such developing countries with less than three per cent. import share taken together, does not exceed nine per cent. of the total imports of that article into India:Provided further that the Central Government may, by notification in the Official Gazette, exempt such quantity of any article as it may specify in the notification, when imported from any country or territory into India, from payment of the whole or part of the safeguard duty leviable thereon.