According to fire brigade the incident occured on the seventh floor of Om Shiv Shakti housing society on M A Road in Sion Koliwada area, at 1230 pm.
Four fire engines, a water tanker and other assistance were rushed to the spot and the blaze was put out by around 1.30 pm, official said.
It was a "level-1" (minor) fire, the official said.
(With UNI inputs)