A Promise that changed my life

Karan Suryavanshi, the Self-made billionaire and Prince of Jodhpur, His mother is his everything, he can even give his life if his mother ever wished for it without thinking twice.
Girls meant nothing to him, except toys.
Siya Rathod, the kind-hearted yet innocent girl, born in poverty, low educated, knows nothing except to love her loved ones, truly. The only man she ever loved is her childhood best friend, Vishal, who loves her back equally.
But, one promise that was made years ago by their parents,