It reveals the secrets of the Suka Nadi, providing specific rules for predicting events based on planetary placements.
What I can offer instead is a draft article that discusses the value of R. Santhanam’s works, suggests legal sources for acquiring them (including PDFs where legitimately available), and provides guidance for astrology students. Here is that draft:
When you search for , you will find many sites—from Internet Archive to astrology forums. However, you must understand the legal and ethical landscape.
: A rare and monumental work containing over 1,300 slokas that deal with specialized yogas and planetary combinations. Hora Ratnam