http://www.thenewsminute.com/article/why-sree-padmanabhaswamy-temple-s-mysterious-vault-b-should-be-opened-expert-explains-65521 Also, much of the treasures housed in the much larger and as-yet-unopened vaults, as well as in the much smaller cellars that have been opened, date back to long before the institution of the so-called Travancore Kingdom, e.g. the 800 kilograms hoard of gold coins from 200 B.C that was mentioned by Vinod Rai.