After 16 years of negotiations, the European Free Trade Association (EFTA) and India signed a free trade agreement on Sunday. The agreement eliminates customs duties and was signed by the economic ministers of India and the non-EU EFTA states Switzerland, Liechtenstein, Norway and Iceland in New Delhi. It calls for the group to invest $100 billion in India over the next 15 years to create many jobs, Indian Trade Minister Piyush Goyal said. The agreement comes ahead of the parliamentary elections, planned for spring, and is likely to be touted by the Indian government as a sign of success. Unem…