Two persons, suspected to be among the assailants, were caught by the locals while trying to flee from the spot near J J Hospital and handed over to the police, Deputy Commissioner of Police (Operations) Rajkumar Vatkar said. He said two other assailants managed to escape.
"The assailants targeted Kaskar in the firing but he was left unharmed," police said adding his 40-year-old driver Arif Syed Abu Bukha succumbed to bullet wounds. Bukha was declared dead before admission to a hospital.
Police are investigating whether the attack was a fall-out of gang war.
Kaskar was an accused in Sara Sahara mall land grabbing case.