A large area Santhals of land demarcated as Damin-i-Koh in 1832 was declared as the land of the ______.

 Santhals

The correct answer is Option (1) → Santhals

Damin-i-Koh was a large area of land demarcated and declared as the land of the Santhals in 1832. This was done by the British colonial government in an attempt to address land alienation faced by the Santhals and to encourage them to settle in a specific region.