Explanation

Mustard is a Rabi crop.

Rabi crop is grown in autumn or early winter

They harvested in spring or early summer

They are grown in October or November. 

major rabi crop in India and Pakistan is:

• wheat, 
• barley,
• mustard,
• sesame,
•  peas.

Rabi crops are known as winter crops.

ND23-4-2023