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The autopsy was photographed and filmed. A preliminary report will be submitted to the Sub-Division Magistrate soon, doctors said today.
Sunanda Pushkar Tharoor is survived by her husband, Mr Tharoor, and a 21-year-old son from an earlier marriage.
Mr Tharoor was admitted to same hospital at 3:30 am today for a few hours after he complained of chest pains and palpitation.
Mrs Tharoor was found dead on her bed at 9 pm by Mr Tharoor at the hotel they were staying in while their home was being painted. (Read: Sequence of events)
Her iPad and iPhone have been taken as forensic evidence by the police.
Investigators are examining the CCTV footage at the hotel and the staff is also being questioned.
On Wednesday, in a series of tweets, she accused reporter Mehr Tara of stalking her husband. She told NDTV sources that she would seek a divorce.
But next day, the couple issued joint statement saying they are "happily married" and intend to stay that way." (Read statement)
They married in 2010, it was the third marriage for both.
Four months before that, Mr Tharoor had to quit his first ministerial post after allegations that a Rs 70-crore stake given to his wife in the Kerala franchise of the IPL was actually a payment to the minister for arranging the sale of the team from his home.
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