Need t name of the novel & author

hi friends,
i read a story long time back.t story goes like this...t hero & heroine are cousins in a village.when he was a young boy the hero accidently by putting something to the heroine's eyes,makes her blind.because hes afraid of his father he runs away to the city.there he becomes a doctor,a surgeon and he wants to give back the vision to his cousin through his surgery.meanwhile the heroine has always loved him.he will have guilt and want show any feelings towards her.how they end up together is the story.does anyone know t name of the novel & author
thanks in advance