The incident happened near Gate No.7 of the Domestic Departure terminal and officials immediately rushed to the spot.
No one was injured in the incident, officials said.
A part of the false ceiling fell down at the international arrival area on April 16 while on April 1, a technician was injured when the glass section of a door fell on him.
More than 40 incidents of collapse of glass panels, granite slabs and false ceiling have been reported at the new domestic and international terminals since they were inaugurated in January 2013.