Select the most appropriate word segment for the underlined word in the given sentence.

Pintu has been advised to reduce smoking by his family doctor.

The correct answer is: cut down.

Key Points

• "Cut down" is a phrasal verb that means to reduce the amount or number of something, which in this case refers to smoking. It is synonymous with "reduce" in the context of the sentence. (कम करना)
• It is commonly used in relation to habits that one needs to lessen for health or other reasons.
  • ​An example of correct usage is, "He decided to cut down on sugar to improve his diet."

​Therefore, the correct answer is "Option 4".

Additional Information

• "Lower down" does not fit the context of the sentence as it is not typically used to refer to the action of reducing a habit such as smoking. (कम करें)
• "Up down" is not a recognized phrasal verb in English and does not convey a clear meaning.
• "Less down" is grammatically incorrect and not used in standard English.