Former Indian Ambassador to the US Nirupama Rao says, Indo-US ties have liberated itself from the shackles of the past to become a defining 21st century partnership. She said there is immense possibilities, now, for bilateral cooperation in areas like defence, IT and space.

She said the bilateral partnership touches every field of human endeavour.

The former Indian Ambassador has now been named Meera and Vikram Gandhi Fellow at the prestigious Brown University. Her appointment begins in January 2014.