Railways and Coal Minister Piyush Goyal speaks to NDTV's Vikram Chandra ahead of a keynote address by Prime Minister Narendra Modi at the plenary session of the WEF in Davos. Mr Goyal says the PM is going to speak about the way the Indian economy is moving, the ease of doing business, the new India that is emerging and the way India has been able to change the rules of the game in terms of good governance.