En Thangai Banu Kama Kathaigal
I assume you're referring to the Tamil phrase "என் தங்கை பனு கதைகள்" which translates to "My Sister's Stories" or "En Thangai Banu Kama Kathaigal" in English.
Here's a potential essay:
Growing up with Banu as my sibling has been an incredible experience. She's always been the life of the party, making us laugh with her witty one-liners, silly impressions, and outrageous antics. Our family gatherings are never complete without her cracking us up with her "kama kathaigal" (funny stories). en thangai banu kama kathaigal