Saikrishna, former Andhra Pradesh chief minister N T Rama Rao's son, died in Hyderabad on Friday in a private hospital after a prolonged illness, hospital sources said.

Saikrishna, 53, had been in a coma for the past four years after falling in the bathroom and had been admitted to the Kamaneni Hospital since then, the sources said.

He is survived by his wife and two daughters.