Mumbai airport will shut both runways from 11 am to 5 pm on November 19 for post-monsoon maintenance, including inspections and surface repairs. Chhatrapati Shivaji Maharaj International Airport CSMIA will temporarily shut both its runways for six hours on November 19 as part of its annual postmonsoon maintenance programmeMumbai International Airport Limited MIAL which operates the airport said runways 0927 and 1432 will remain nonoperational from 11 am to 5 pm ISTRunway.