The accused identified Sisse Linten, an event manager, was arrested at Chhatrapati Shivaji International airport at about 6 am, as she was waiting to take an Ethiopian Airlines flight, the official said.
The 36-year-old woman was heading to Republic of Mozambique, the official said.
A team led by Sameer Wankhede, deputy commissioner of Customs (Air Intelligence Unit), intercepted her and after checking her luggage, the drugs was found meticulously concealed in her luggage.
She was booked under relevant sections of the NDPS Act and would be produced before a court tomorrow.