The correct answer is (a) Madhya Pradesh.
Madhya Pradesh is the largest producer of soybean in India, accounting for about 40% of the country’s total production. The state has a favorable climate and soil for soybean cultivation, and the government has been promoting soybean cultivation through various initiatives.
Rajasthan is the second largest producer of soybean in India, accounting for about 20% of the country’s total production. The state has a semi-arid climate and the soil is not as fertile as in Madhya Pradesh, but the government has been promoting soybean cultivation through various initiatives.
Uttar Pradesh is the third largest producer of soybean in India, accounting for about 15% of the country’s total production. The state has a humid climate and the soil is fertile, but the government has not been promoting soybean cultivation as much as in Madhya Pradesh and Rajasthan.
Punjab is the fourth largest producer of soybean in India, accounting for about 10% of the country’s total production. The state has a semi-arid climate and the soil is fertile, but the government has not been promoting soybean cultivation as much as in Madhya Pradesh, Rajasthan, and Uttar Pradesh.