Sun Sun Thatha is all about joyful moments between a child and his guardian. Before his guardian's arrival the boy leads a lonely life since his parents are busy with their jobs.Sun Sun Thatha is all about joyful moments between a child and his guardian. Before his guardian's arrival the boy leads a lonely life since his parents are busy with their jobs.Sun Sun Thatha is all about joyful moments between a child and his guardian. Before his guardian's arrival the boy leads a lonely life since his parents are busy with their jobs.