There are concerns that large amounts of debris and animal carcasses might lead to outbreaks of disease.
Late on Thursday 18 people, including several children, died in a stampede in a Mumbai suburb when rumours spread that a tsunami was about to occur.
Mumbai is slowly limping back to life after heavy rains on Tuesday.
It was reportedly the heaviest recorded rainfall in a single day in India: more than 65cm (26 inches) of rain fell.
