Ministers from the BRICS economies defended their growth prospects on Friday despite waves of turbulence caused by the tightening of monetary stimulus in the US and concerns about a potential cash crunch in China.

Christine Lagarde, managing director of International Monetary Fund (IMF), in conversation with NDTV's Dr Prannoy Roy at the World Economic Forum in Davos.

Microsoft chairman Bill Gates, who is also the co-chair of Bill & Melinda Gates Foundation, is speaking to NDTV's Vikram Chandra on the sidelines the World Economic Forum meeting in Davos.