"The Prachetas" :
The Prachetas Among Prithu’s descendants was a king called Prachinvarhi who married the daughter of the ocean, Savarna. Ten sons, the Prachetas, were born of this marriage. They performed very difficult tapasya (meditation) for ten thousand years under the ocean. Maitreya asked Parashara, "Why did the Prachetas perform difficult tapasya for ten thousand years?" And this was Parashara’s answer. Brahma had asked Prachinvarhi to ensure that the world became full of people and Prachinvarhi passed on the task to his sons. But the Prachetas did not know how to go about this task. Their father told them to pray to Vishnu, for didn’t Vishnu offer the solution to all problems? It was after paying to Vishnu that Brahma had created the universe at the beginning of the original creation. On hearing their father’s instructions, the Prachetas prayed for ten thousand years. When the ten thousand years were over, Vishnu appeared before them on the top of his