Who was the leader of the Santhal Revolt of 1855-56?

Sidhu Manjhi

The correct answer is Option (3) - Sidhu Manjhi

Sidhu Manjhi was the leader of the Santhal rebellion. The Santhal Rebellion, also known as the Santhal Hool or Santhal Revolt, was a significant tribal uprising that took place in India during the mid-19th century. Sidhu Murmu and Kanhu Murmu, commonly known as the Murmu brothers, were the leaders of the Santhal Rebellion, also known as the Santhal Hool.