Explanation:

- The Farm Laws Repeal Bill, 2021 repealed a total of three farm laws.

- These laws sparked significant protests and debates in India.

- The three repealed laws were:

1. The Farmers' Produce Trade and Commerce (Promotion and Facilitation) Act, 2020.

2. The Farmers (Empowerment and Protection) Agreement on Price Assurance and Farm Services Act, 2020.

3. The Essential Commodities (Amendment) Act, 2020.

- Option:1: Two is incorrect, as two laws were not repealed.

- Option:2: Three, which is indeed the correct option.

- Option:3: Four is incorrect, as four laws were not in question.

- Option:4: One is incorrect, as only one law was not repealed.

Option:2 - Three