The exclamation mark (!) is a punctuation mark usually shows strong feeling, such as surprise, anger or joy, and often marks the end of a sentence.

• Hello! How are you?
• I met Kajal yesterday. She is so beautiful!!!
• Remember, don't be late!!

Rule 1.Use an exclamation mark to indicate strong feelings or a raised voice in speech.

• She shouted at him, "Go away! I hate you!"
• He exclaimed: "What a fantastic house you have!"
• "Good heavens!" he said, "Is that true?"
• "Help!"
• "Shut up!"
• "Stop!"

Rule 2. Many interjections need an exclamation mark.

• "Hi! What's new?"
• "Oh! When are you going?"
• "Ouch! That hurt."

Rule 3. A non-question sentence beginning with "what" or "how" is often an exclamation and requires an exclamation mark.

• What idiots we are!
• How pretty she looked in that dress!

Rule 4. In very informal writing, people sometimes use two or more exclamation marks together.

• I met Kajal yesterday. She is so beautiful!!!
• Remember, don't be late!!
• I'll never understand this language!!!!