This is the instruction manual for his unique 20-minute asana and meditation routine. It details the six centers (Chakras), the Vayus (vital airs), and the precise method to raise energy without the "side effects" that can occur in traditional Hatha Yoga.
For those seeking downloadable formats, several academic and community-contributed documents are available: Vethathiri Maharishi's Sky Yoga Guide (Scribd)
To answer the final question: