On obtaining the aspirant thumb impression, it is handed over by the Nadi reader at the library, as it the scientific fact the whirls and loops of every individual is unique and it is next to impossible to be replicated. The thumb lines are classified into 108 types. The writings in palm leaf bundles are indexed & classified in the library according to thumb impressions to facilitate easy searching of the bundles. For each thumb impression there are likely to be around 5 to 6 bundles; each such bundle in turn containing 50 to 100 leaves.
One particular leaf might be that of the individual, but the process of finding out that specific leaf is laborious and time consuming. The reader has to read out one statement from the first leaf and it confirms to the individual, he will read out the second statement to verify its veracity.
If this statement does not hold true for the individual, the reader passes on the next leaf, discarding the previous one. It will therefore will be evident that the reader will have to go on searching leaf after leaf, bundle after bundle to trace out the one leaf in which all the particulars concerning the individual correctly appear. To expedite this process, the aspirant seeker has to extend his full cooperation and support because this process may take weeks or months.