India, Oct. 4 -- Adani Airports will begin a phased redevelopment of the ageing Terminal 1 at Mumbai airport from January 2027, starting with the North Section of Terminal 1B, citing safety concerns around the nearly 60-year-old facility.

About 5 million passengers a year, or roughly 9 per cent of Mumbai airport's total traffic of around 55 million passengers, will be temporarily affected by the first phase, while the remaining 91 per cent of passenger traffic will continue to operate normally, Adani Airport Holdings Ltd (AAHL) said on Saturday.

Airlines operating from the affected section will have the option of temporarily shifting their services to the newly operational Navi Mumbai International Airport, with AAHL saying it will supp...