KOLKATA: India and America are expanding cooperation across sectors, including defence, IT and healthcare, with investments and joint initiatives creating significant opportunities for both countries, US Ambassador to India Sergio Gor said.Speaking at a programme here to mark 250 years of America's Independence recently,Gor highlighted the growing partnership between the two countries, citing recent military exercises, defence cooperation and investments by US and Indian companies."India and the US have a great relationship, there's so much happening. Pick any sector, and we're working together in it," he said.ointing to recent developments in defence . . .