Prime Minister Narendra Modi made a strong pitch on climate change at the Global Economic Forum in Davos on Tuesday, calling it the "first challenge" facing civilization. Prime Minister Modi identified climate change, global terrorism and protectionism as the three toughest challenges before the world today.

India is looking at an investment of two trillion dollars in infrastructure over the next two years, Railways Minister Piyush Goyal said on the sidelines of the World Economic Forum at Davos; India is attending the annual event for the first time in two decades.

India is poised to become a $5 trillion dollar economy by 2025, Prime Minister Narendra Modi said today as he addressed world leaders and global CEOs at the opening session of the World Economic Forum in the snowed-in Swiss mountain resort of Davos, inviting investors to "Come to India."