Prime Minister Narendra Modi acknowledged with a namaste the loud applause as he was introduced as the keynote speaker at this year's World Economic Forum's plenary session at the Swiss mountain resort of Davos. Speaking in Hindi, PM Modi is showcasing the India growth story to world leaders and global CEOs, also calling for countries to unite to tackle what he called the three big challenges that the world faces - "climate change, terrorism and an increased self-centredness."
