The accident occurred when the car she was travelling in hit an electric pole in Kothaparambu near Kodungallur, police said adding she was returning after a stage show.
She has been rushed to a private hospital in Kerala, sources said.
A B.Sc student at a private college at Thodupuzha in Idukki district, Hanan's story had gone viral after a Malayalam daily reported her struggles.
However, a section of social media users expressed doubts about her struggles and claimed it was 'fake.'
Hanan, a college student from Kochi, had contributed Rs. 1.5 lakh towards the Chief Minister's Disaster Relief Fund.