Most Bharatanatyam theory books written in Tamil post-1960 are protected under Indian copyright law (60 years after author's death). Free PDF distribution is illegal unless the publisher has explicitly released it under open access (e.g., Tamil Virtual Academy or Government of Tamil Nadu publications). Always attribute and use for personal/educational study only.
Araimandi and Posture: The geometric precision required in the basic stance. How to Find and Use PDFs for Study bharatanatyam theory books pdf in tamil