CHENNAI, January 17: The Indo-US Joint Business Council (IUJBC) will hold a two-day summit on `The Dynamic South' here. The event will be inaugurated by Union External Affairs Minister Jaswant Singh on January 20. Over 100 business delegates from USA and 200 Indian representatives are expected to participate in the Summit, billed as the `biggest event in Indo-US economic relations'. Informatics, telecom, chemicals, power, agri-business and industrial parks will be among the focus areas, according to N Sankar, IUJBC Chairman.