Kavita (57), whose husband Hemant Karkare was martyred during the November 2008 Mumbai terror attack, had been admitted to the P D Hinduja hospital on Saturday. She had slipped into coma and was on ventilator till yesterday when she was declared dead.
"Her body was moved to a crematorium ground in Worli this morning from the hospital. Her son Akash conducted the last rites," said a police officer.
After her death, Kavita's two daughters and son had donated her organs to help the needy patients.
One of her kidneys went to a 48-year-old man who had been surviving with the help of dialysis for nearly a decade. He had registered for the organ last March.
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The recipient of the other kidney was a patient at a leading multispeciality hospital in south Mumbai who had been waiting for a transplant for seven years.
Her eyes were donated to Haji Bachooali Eye Bank in Parel.
Kavita was vocal about the security lapses that she felt led to the attack and her husband's death in an ambush by Pakistani terrorists on the night of November 26, 2008.
She had also been demanding better weapons, training and facilities for police personnel.
Hemant Karkare was killed along with Additional Police Commissioner Ashok Kamte and senior police inspector Vijay Salaskar when the terrorists fired at their vehicle near Cama Hospital in south Mumbai on the fateful night.