Ponni's higher education was supported by her maternal grandfather, who ensured that she had the necessary resources to pursue her studies. This suggests that he was a caring and supportive figure in her life, helping her to achieve her academic goals.
By some kind-hearted people
According to the story, Ponni's higher studies were taken care of by some kind-hearted people, who contributed to support her education.
By the PTA
According to the story, the PTA (Parent-Teacher Association) took care of Ponni's higher studies.