Varsha Yadav, a resident of the SRA building in Chandivali area of the suburb, plunged to her death at around 5:30 pm, a police official said.
She was rushed to a nearby hospital by the residents of the building, where she was declared brought dead before admission.
As per preliminary investigation, Yadav, a native of Uttar Pradesh, was staying with her brother, who works for a pharma company.
She came to Mumbai only two months ago, the official said, adding the trigger behind Yadav taking the extreme step is being investigated.
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