Ibrahim Sheikh, a resident of Dharavi, had come to meet his aunt Bilkis Bano, 50, who along with others from Dnyaneshwar Nagar in suburban Bandra East had launched a huger strike near the Metro-3 office against demolition of their houses.
The slums in Dnyaneshwar Nagar had been declared illegal and some of them were demolished for the Metro-3 project, said senior police inspector Kalpana Gadekar of BKC police station.
After meeting his aunt, Mr Sheikh stayed at the site of the hunger strike last night.
The exact cause of death will be known after the autopsy report is received, she added.
Police recovered some papers related to the treatment for epilepsy which he was taking, the officer said, adding that an accidental death report was registered at the BKC police station.