An airport official said Uma Jayaraman, a resident of Kanchipuram in Tamil Nadu, was intercepted on arrival from Bangkok by a Thai Airways flight by the security personnel.
After checking her jacket, a gold bar weighing 1.764 kg, valued at Rs 50 lakh, was recovered from her.
The incident came close on the heels of the arrest of one Abdul Karim of Chennai arriving from Malasiya by Air Malasiya flight the day before.