Explanation:

- Option 1: Nadir Shah

- Nadir Shah was a Persian ruler who invaded India in 1739.

- He played no role in the Battle of Chausa, which occurred much earlier.

- Option 2: Krishnadeva Raya

- Krishnadeva Raya was a ruler of the Vijayanagara Empire in South India.

- He did not engage in battle with Humayun.

- Option 3: Hemu

- Hemu, also known as Hem Chandra Vikramaditya, was a notable military leader and had battles with the Mughal Empire.

- He was not involved in the Battle of Chausa.

- Option 4: Sher Shah Suri

- Sher Shah Suri was the Afghan leader who contested Humayun.

- The Battle of Chausa, fought on June 26, 1539, was indeed between Humayun and Sher Shah Suri, leading to Humayun's defeat.

Correct Answer: Option 4: Sher Shah Suri

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