Mumbai police and other agencies at the Chhatrapati Shivaji Maharaj International Airport were put on alert after they received a threat call on Monday. According to officials, the caller introduced himself as Irfan Ahmed Sheikh and said that he was a member of terror outfit Indian Mujahideen. 📰 Mumbai Airport Threat Call Case: Man From Govandi Arrested for Threatening To Blow Up Chhatrapati Shivaji Maharaj International Airport.