Prime Minster Narendra Modi has promised 50 top CEOs from the US and India speedy redressal of their business-related problems and has pitched the need for "heavy investment in infrastructure and agriculture in the country to boost purchasing power and improve the economy..."It helps to know how investors feel about how the government should work," PM Modi said, thanking the business leader for flagging issues...Critical issues like visa impediments for professionals, intellectual property rights and a bilateral investment treaty are also expected to be discussed