Step 1: Overview of Regur Soil.
Regur soil, also known as black soil, is primarily found in the Deccan Plateau region of India. Maharashtra is the state with the maximum expansion of Regur soil. This soil is rich in minerals and is highly suitable for crops like cotton.
Step 2: Analysis of options.
- (A) Maharashtra: Maharashtra is the state with the largest area of Regur soil, making it the correct answer.
- (B) Uttar Pradesh: Uttar Pradesh does not have a significant amount of Regur soil.
- (C) Kerala: Kerala is known for other types of soil, not Regur soil.
- (D) Punjab: Punjab has fertile soil but not Regur soil.
Step 3: Conclusion.
Maharashtra has the maximum expansion of Regur soil, so the correct answer is (A) Maharashtra.