There are two depositories&colon; Central Depository Service and National Securities Depository. It participates in Association of National Numbering Agencies and European Central Securities Depositories Association. These intermediaries are known as Depositories Participants (DPs). Together, both libraries contain over 13 million holdings and serve as federal document depositories. Besides DTC, two other large securities depositories exist, both in Europe&colon; Euroclear and Clearstream. It is one of two European International central securities depositories (Euroclear being the other). During the reign of the Ptolemies, state depositories replaced temples as the location of security-deposits. There are books and depositories of archives and other things. Unique voice records are preserved at the depositories of the phonograph archive. Since then various types of electronic depositories have been built. Currently there are two depositories operational in India. Fundamentally, There are two sorts of depositories in India.