this is the answer:
Perak is often called the "Silver State" as perak is the Malay word for "silver". It was the senior state of the Federation though much of its administrative glory has departed to Kuala Lumpur. Perak's ancient name was Gangga-Negara, a Sanskrit word meaning "A City on the Ganges". It is belived to have been situated near the present-day Bruas. It is said that the son of Marong Mahawangsa, Ganji Serjuna, went southwards as the head of an expedition and established a settlement called Gangga-Negara
It is said that when tin ore was first smelted, the tin that was first seen was white in colour, like silver, and the people called perak. However, this name was not used until after 1529.
When the son of Sultan Mahmud Shah, was driven away from Kampar on the death of this father, he took refuge at Klang, and hence was taken to perak and made its first ruler as Sultan Muzafffar Shah. Whilst still ruler of Malacca, Sultan Mahmud Shah had conquered first Bruas and then Manjang and had given both places to the ruler of Bruas. Sultan Mahmud Shah complained to his Bendahara that this ruler of Bruas and Manjung no longer acknowledge him as overlord. In maps prior to 1561 this area is marked as "Perat". Bruas is the name of a river, and in the area watered by this river was small town. In earlier times Bruas was once the capital of a powerful Kingdom. The legends of Perak relate the downfall of this old city situated on the Perak River estuary. The new village of Bruas is many kilometers seaward of the old site. Bruas is remembered as the place from which the great Malay rulers, the Bendaharas of old Melaka, founded the present Perak Dynasty.
