Here are a few rewritten titles, emphasizing different aspects of the original:

Focusing on the transformation:

• From Homemaker to Headliner: The Comedy Rise of Zarna Garg
• Zarna Garg’s Second Act: From Stay-at-Home Mom to Stand-Up Sensation
• The Unlikely Comedy Star: Zarna Garg’s Journey from Home to the Stage
• How Zarna Garg Went from PTA to Punchlines

Focusing on her unexpected success:

• Zarna Garg: The Stay-at-Home Mom Who Became a Comedy Phenomenon
• Comedy’s Newest Star: You Won’t Believe Zarna Garg’s Backstory
• Breaking the Mold: Zarna Garg’s Surprising Path to Comedy Stardom

More concise options:

• Zarna Garg: Stay-at-Home Mom Turned Comedy Star
• The Comedy Career of Zarna Garg: From Home to the Spotlight
• Zarna Garg’s Comedy Journey: A Mother’s Stand-Up Story

The best option will depend on the specific context and the angle you want to highlight.