India's Ambassador to the US Nirupama Rao points out the business opportunities in developing India's infrastructure in this speech delivered in Chicago: http://www.indianembassy.org/prdetail2031/inaugural-address-by-ambassador-nirupama-rao-at-the-symposium-on-andquot%3Bindian-infrastructure%3A-the-one-trillion-dollar-opportunityandquot%3B-in-chicago-on-26-september%2C-2012