Kavita Karkare, wife of Hemant Karkare, who was killed in the 26/11 terrorist attack, died on Monday morning after she suffered a brain haemorrhage.
Her two daughters and son have consented to donate their mother's organ for the treatment of needy patients.
Ms. Karkare was rushed to the PD Hinduja Hospital in suburban Mumbai on Saturday morning after she felt unconscious at her residence in central Mumbai.
"Ms. Karkare was declared brain dead on Monday morning," a statement released by the hospital read.
"The two daughters and son have consented to donate their mother's organ for the treatment of needy patients," the statement further added.
Ms. Karkare, 57, was a professor at a B.Ed college in Mumbai but has stopped work recently.
Her husband, Hemant Karkare was the Anti-Terrorism Squad (ATS) chief during the 26/11 attack. Mr. Karkare and two other senior officers - Ashok Kamte and Vijay Salaskar fell prey to the bullets of Kasab and his accomplice Abu Ismail near Cama Hospital in south Mumbai.