Correct Answer:
A. Autumn harvest
Kharif crops are primarily cultivated during the monsoon season, which spans from June to July for sowing, with harvesting occurring after the monsoon. Given their harvesting period, which typically falls in September and October, Kharif crops are also widely known as the Autumn harvest. This designation, making option A correct, reflects the season in which these crops are brought in. Option B, 'Summer harvest,' is incorrect because while they grow during summer, their harvest is later. Option C, 'Spring harvest,' refers to Rabi crops. Option D is incorrect as a specific term exists for Kharif crops.