In a green city there a middle class family was live. In this family they has a 15years old daughter one day he ask to her father.dad for my birthday what you will gift for me .then her father said to wait for few days untill the birthday. But one day she has pain in the heart . His father take her to hospital .the Doctor said your daughter condition is severe then he said to her father when the organ get you daughter can live long but they not get organ .so her father was written in the letter . Daughter for your birthday iam giving my heart it’s my gift he written in letter . Then his daughter was cry lot . In this topic is father is a hero