Explanation:

- Uttar Pradesh:

- Uttar Pradesh is a major agricultural state in India.

- It has large fertile plains and abundant water resources.

- It is the leading producer of sugarcane in India as of April 2022.

- Correct Answer: Option 4 - Uttar Pradesh.

- Tamil Nadu:

- Known for diverse agriculture but focuses more on crops like rice and groundnuts.

- It is also a significant producer of sugarcane, yet does not lead in national production.

- Telangana:

- Primarily known for cotton, rice, and other crops.

- Sugarcane farming exists but is not dominant.

- Madhya Pradesh:

- Predominantly grows wheat, soybeans, and pulses.

- Sugarcane is not a major crop here.