Sunanda Pushkar's autopsy was manipulated, says Dr. Sudhir Gupta, head of forensic sciences at AIIMS

The mystery over Sunanda Pushkar's death has got a dramatic new twist. While the case remains hazy with no clear indication as to how former Union minister Shashi Tharoor's wife died in a Delhi five-star hotel early this year, a top doctor of the All India Institute of Medical Sciences has sensationally alleged that he was 'pressured' to act in an 'unprofessional manner' to cover up the case.