Shakuntala Devi (1929–2013) was primarily known as a "mental calculator" and a writer. She did write several books on astrology, but they are —not advanced classical texts.
Below is the essay.
"Astrology for You" by Shakuntala Devi is an introductory guide covering both Vedic and Western systems to help beginners calculate and interpret horoscopes. The book includes practical tools like tables for nakshatras, planetary periods, and casa data, with digital versions available via Google Play Amazon Kindle Astrology for You eBook : Devi, Shakuntala - Amazon.in shakuntala devi astrology for you pdf 15
"15" in your query likely refers to Chapter 15 of that book, or possibly a PDF page number . The book does not have a "Volume 15." Shakuntala Devi (1929–2013) was primarily known as a