Explanation:

- Gujarat is indeed the leading producer of cotton in India. ??

- The state has favorable climatic conditions and well-developed irrigation facilities.

- Telangana is also a major cotton-producing state but ranks behind Gujarat.

- Karnataka has cotton cultivation, but to a lesser extent compared to Gujarat.

- Madhya Pradesh grows cotton too, but it's not the leading state in terms of production.

Correct Answer: Option:1, Gujarat