This guide describes what Nadi leaves are, the belief behind your life readings

https://tamil-culture-nadi.yousher.com/vaitheeswaran-koil-nadi-astrology-what-makes-palm-leaf-reading-feel-accurate-to-seekers

This guide explains what Nadi leaves are, the belief behind your life readings, and how priests at Vaitheeswaran Koil translate star indications, previous lives, and karmic courses.