The Subarnarekha River flows through the Indian states of Jharkhand, West Bengal and Odisha. The name is a portmanteau of two words: "Subarna," meaning gold, and "Rekha," meaning line or streak in Indian languages. As per tradition, gold was mined near the origin of the river at a village named Piska near Ranchi. This is why it was named Subarnar…The Subarnarekha River flows through the Indian states of Jharkhand, West Bengal and Odisha. The name is a portmanteau of two words: "Subarna," meaning gold, and "Rekha," meaning line or streak in Indian languages. As per tradition, gold was mined near the origin of the river at a village named Piska near Ranchi. This is why it was named Subarnarekha, meaning "streak of gold". Legend has it that traces of gold were found in the riverbed. Even now, people look for traces of gold particles in its sandy beds.