What prompted Dr Abdul Kalam and Dr Y S Rajan to write India 2020 book?

In an exclusive interview, Dr Y S Rajan, co-author of the book India 2020 with Dr Abdul Kalam explains the circumstances under which the book India 2020 was written by them jointly. He also explains the reasons behind naming 2020, instead of 2015 or 2015. This podcast was recorded in December 2006. Now republished.