Questions

APEC 2017 summit was held in the city ‘Da Nang, Vietnam’ under the theme of ‘Creating New Dynamism, Fostering a Shared Future’. APEC is the forum of 21 pacific region countries, headquartered at Singapore, which promotes free trade in the Asia-pacific region.

•SWIFT was founded in the 1970s, based on the ambitious and innovative vision of creating a global financial messaging service, and a common language for international financial messaging.

•The Uruguay Round was the 8th round of multilateral trade negotiations (MTN) conducted within the framework of the General Agreement on Tariffs and Trade (GATT), spanning from 1986 to 1994 and embracing 123 countries as "contracting parties".

•The World Trade Organization (WTO) is an intergovernmental organization that regulates international trade. The WTO officially commenced on 1 January 1995 under the Marrakesh Agreement.

•Founded by the National Association of Securities Dealers, the NASDAQ began trading on February 8, 1971, as the world's first electronic stock market.

HDFC Bank launched 'Mooh Band Rakho' campaign to protect individuals from cyber frauds.

Error is in second part. Returning means coming back to place from where you began. So, the use of back after returned becomes redundant. Without using back, the meaning remains the same. We can omit ‘back’ in part b, and use ‘returned home.’