Option 1: Groundnut -> Kharif crop sown during monsoon season (June-July).
Option 2: Paddy -> Major Kharif crop requiring abundant water, grown during monsoon.
Option 3: Wheat -> Rabi crop sown in winter (October-December) and harvested in spring.
Option 4: Bajra -> Kharif crop sown at the beginning of monsoon season.
Hence, Option 3: Wheat -> Wheat is a Rabi crop that requires cool climate for germination and warm weather for ripening, unlike Kharif crops which are sown during the monsoon and require hot, wet conditions -> correct