Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.

I had to write a letter of mistake to my father for the blunder I made.

The correct answer is: Option 3 i.e. apology.

Key Points

• The word "mistake" means an action or judgment that is misguided or wrong. (गलती)
  • Example: Leaving the door unlocked was a mistake.
• "Apology" refers to a regretful acknowledgment of an offense or failure. (माफी)
  • Example: He offered a heartfelt apology for his behavior.
• Hence, the correct word to substitute "a letter of mistake" is "a letter of apology".

Therefore, the correct answer is: Option 3 i.e. apology.

Additional Information

Here are the other options explained along with their Hindi meanings and example sentences:

• Circumstance (परिस्थिति): A fact or condition connected with or relevant to an event or action.
  • Example: We found ourselves in a difficult circumstance.
• Gratitude (आभार): The quality of being thankful; readiness to show appreciation for and to return kindness.
  • Example: She expressed her gratitude to the host for the wonderful evening.