With reference to the Public Sector Undertakings in India, consider the following statements :

1. Minerals and Metals Trading Corporation of India Limited is the largest non-oil importer of the country.

2. Project and Equipment Corporation of India Limited is under the Ministry of Industry.

3. One of the objectives of Export Credit Guarantee Corporation of India Limited is to enforce quality control and compulsory pre-shipment inspection of various exportable commodities.

Which of these statements is/are correct ?