"He is still critical and on ventilator support. He is under constant observation and monitoring by our team of experts," a statement issued by Apollo Hospital, where he is admitted, said on Monday evening.
The accident took place at around 11:30 am on Saturday. Mr Hasan, 67, was on his way to Mewat from Delhi along with two others, when the car they were travelling in had a head-on collision with a dumper.
The leading academician sustained head injuries and was operated upon by a team of neurosurgeons at the hospital.
He served as the vice-chancellor of Jamia Millia Islamia University between 2004-2009.
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