by Varahamihira: A foundational text covering planetary results, female horoscopy, and birth time rectification. Brihat Parasara Hora Sastra
by Maharishi Parasara: Considered the "Bible" of Vedic astrology, covering nearly all aspects of the craft.
A Manual Of Hindu Astrology : B.v.raman. : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive indian astrology books free download pdf
For free PDF downloads of Indian (Vedic/Jyotish) astrology books, the best legal resources are digital archives and educational trusts. Below are links to some of the most respected foundational and instructional texts. Foundational Classics
by B.V. Raman: A concise guide for beginners from one of India's most famous modern astrologers. Fundamentals of Vedic Astrology : Free Download, Borrow, and Streaming : Internet Archive
by B.M. Gosvami: A unique system known for its practical remedies (upaya) and simplified approach to planetary effects. Modern Instructional Guides
by P.V.R. Narasimha Rao: A highly recommended contemporary textbook that bridges traditional knowledge with modern clarity. A Manual of Hindu Astrology Foundational Classics by B
by Bepin Behari: Covers basic concepts like the cosmic man, the cardinal houses, and planetary strength. Internet Archive Specialized Topics A Manual Of Hindu Astrology : B.v.raman. - Internet Archive
These are the "source codes" for Indian astrology, often translated with expert commentary. Brihat Jataka