Police said they were informed about the death by hospital authorities around 11 am. The incidents took place a day after World Suicide Prevention Day.
According to statistics, Delhi Metro recorded at least 80 suicide attempts between 2014 and 2018 on its tracks.
The woman was rescued and admitted to Calcutta Medical College and Hospital.
According to the police, around 11 pm on Friday night, the Raja Garden Metro police station received a call informing them about a body lying between the tracks and the platform.
The woman’s husband and neighbours were being questioned to ascertain the reason for her to take this extreme step.
A minor boy prevented his mother from jumping on the Metro tracks on Friday.
Kamlesh Jain, a resident of Shanti Mohalla in Seelampur, didn't suffer external injuries and was shifted to the GTB Hospital.
The VV Puram police, who are probing the suicide attempt by an 18-year-old boy who jumped before a moving Metro train, said they are yet to take a statement from him.