At the same time, he was also director of the neurology department at Pahlavi Hospital. Chehrazi retired in 1970 during Alinaghi Alikhani’s tenure as president of the university after many years of scientific activity. At the end of 2010 at the age of one hundred and two in the United States he died. He was buried in the family tomb next to his father’s tomb in the shrine of Prince Ibrahim in the Bahadur’s garden.