A great interview (multiple parts) where K.N. Rao expands on charts of Rama/Krishna while also delving into other important fields of knowledge. The mastery that Sri K.N. has compared to modern astrologers can be seen through the nuances and intricacy with which he speaks in the various videos.

I thought the astrology-heads here would enjoy

Part 1:
https://www.youtube.com/watch?v=QSrL8fNWAmk