Air passengers departing and arriving at the city airport may face a tough time Tuesday as both the main and secondary runways will remain shut for operations for six hours, starting 11 am, for repair and maintenance work. Mumbai airport will undertake runway maintenance and repair in two phases between October, and February-March period.

The move is likely to affect as many a many as 300 flights per day during the period. "Mumbai airport runway will be closed from 1100 hours to 1700 hours IST. Please visit Air India website, app or contact call centre for details on rescheduled and cancelled flights," national carrier Air India informed its passengers through a tweet Monday.