Correct option is B
The correct meaning of the idiom "Fall into line" is "Adhere to rules."
Given Idiom: Fall into line - To conform or comply with expected behavior or rules.
Hindi Meaning: नियमों का पालन करना।
Meaning in context: The phrase means to follow established guidelines or to behave in a way that aligns with expectations.
Example: The new employee quickly fell into line with the company’s policies.
Example 2: The children were told to fall into line during the assembly.