A fire broke out on Wednesday evening at one of the 15 floors of a residential building in posh Malabar Hill area in south Mumbai, officials said.
So far, there is no report of any casualty.
A civic official said the fire erupted on the fifth floor of the Palma Building located near the famous Hanging Garden, around 7 pm.
Eight fire engines were rushed to the spot, said an official from the Mumbai civic body's disaster management cell.
A Fire brigade official said the search and rescue operation is going on at the building, a ground plus 15-storey structure.
The fire was escalated to level III in night, the official said.
Further details are awaited.