Two Indian passports were recovered from the pocket of an unconscious elderly man brought to Jinnah Hospital.
According to police, both passports belong to a woman and are valid until 2028.
One of the passports lists a residential address in Hyderabad, Andhra Pradesh, while the documents were reportedly issued from Jeddah.
Law enforcement and intelligence officials arrived at the hospital to initiate a thorough investigation.
The man was found unconscious near a parking plaza in Karachi and was shifted to the hospital by a rescue team.
Police stated that even after four hours of medical care, the man remained unconscious.
In addition to the passports, medications and other documents were also found in his possession.