Katha is a 24 years old, educated, elegant, graceful, mature, and soberly dressed girl from Nainital. She is full of confidence but doesn't have a shred of arrogance. She instills confidence in everyone that she meets. She does everything to elevate women from their pity states and bring a smile on their faces.

Muskuraane Ki Vajah Tum Ho, is the story of Katha, where she sets on a journey to answer the important question: Is a child required to always take on his fathers surname? Or can a mothers surname be enough?