A group of elephants is called a 

The correct answer is: Option 2 (Herd).

Key Points

• The word "Group" refers to a number of people, animals, or things that are located, gathered, or classed together. (समूह)
• A "Herd" is a large group of animals, especially hoofed mammals, that live, feed, or migrate together. (झुंड)
  • Example: A herd of elephants was seen near the riverbank.
• Hence, the correct collective term for a group of elephants is "Herd" (झुंड).

Therefore, the correct answer is: Option 2 (Herd).

Additional Information

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

• Collection (संग्रह): A group of objects or works to be seen, studied, or kept together.
  • Example: He has a vast collection of ancient coins.
• School (झुंड): A group of fish or aquatic animals swimming together.
  • Example: The school of fish swam gracefully in the clear water.
• Litter (कूड़ा/जन्मा हुआ झुंड): Refers to trash or waste scattered about OR the offspring of certain animals born at one time.
  • Example: The cat gave birth to a litter of kittens.