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
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.M. Gosvami: A unique system known for its practical remedies (upaya) and simplified approach to planetary effects. Modern Instructional Guides
by Maharishi Parasara: Considered the "Bible" of Vedic astrology, covering nearly all aspects of the craft.
These books are better suited for beginners or those looking for modern pedagogical approaches. Vedic Astrology: An Integrated Approach
A Manual Of Hindu Astrology : B.v.raman. : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive
by B.V. Raman: A concise guide for beginners from one of India's most famous modern astrologers. Fundamentals of Vedic Astrology
by Varahamihira: A foundational text covering planetary results, female horoscopy, and birth time rectification. Brihat Parasara Hora Sastra
These are the "source codes" for Indian astrology, often translated with expert commentary. Brihat Jataka
by P.V.R. Narasimha Rao: A highly recommended contemporary textbook that bridges traditional knowledge with modern clarity. A Manual of Hindu Astrology