Explanation:

- Option 1: February and April

- This period is typically not associated with the cultivation of Zaid crops.

- These months are generally considered the end of the Rabi season in India.

- Option 2: May and July

- This overlaps partially with the Zaid cropping season, but it extends beyond the usual time frame of Zaid crop harvest.

- Option 3: April and June

- This is the correct time for the cultivation of Zaid crops in India.

- Zaid crops are grown between the Rabi and Kharif seasons, fitting perfectly in this timeframe.

- Common Zaid crops include watermelon, cucumber, and fodder crops.

- Option 4: October and November

- These months are typically associated with the beginning of the Rabi season.

- They do not align with the Zaid cropping period.