Nadi astrology is a very intriguing part of astrology.
There were Saptarishis(7 rishis) who were given siddhis(powers) to see mankinds past, present and future births.
This siddhis were given by Lord Shiva to his devout Rishis like Agastya Rishi, vashist Rishi, Bhrigu etc.
Nadi means ( one who seeks) the Rishi's wrote the destiny of those people who are choosen or destined to come seek their predictions. Not every persons destiny is written in the leaves.
The leaves are found in the South India town of Vaitheeswaran Koil.
I had visited a Nadi reader couple of years back. At that time i was at cross road of life. The reader just took my thumb print and went inside to search for my leaf. The nadi leaf is written on base of thumb print. Every person as unique thumb print. There are 108 different designs..
When my leaf was found out he called out my name from the leaf, then my parents names, siblings names, husband and childs name. Also my exact horoscope was described with birth time and birth place.
http://www.youtube.com/watch?v=9j4IjMrX7Pw
All the past prediction was correct how i changed career and presently im learning occult.
Lot of things were written in the leaf about my future since im following a spiritual path lot of guidance were written for me.
Also about my past life was written and whatever sins i had committed the karmic repercussions and solutions for them was provided by Agastya Rishi.
After the reading my life changed forever it gave me renewed hope, trust and faith in Higher Powers.
I am quite blessed to be born in India the Holy country of Rishis and Their wonderful gifts.
Namaste