New Delhi, July 03 (ANI): Dr Sudhir Gupta, who had alleged that Sunanda Pushkar's autopsy report was doctored, said on Thursday that Sunanda Pushkar's postmortem report was based on principles and norms of medical ethics. Dr Sudhir Gupta had earlier alleged that he was pressurized to give a doctored report in Pushka's death case. Gupta headed the team of experts who conducted the postmortem on Pushkar's body and had alleged that he was pressured by top officials to show that Pushkar's death was 'natural'. The All India Institute of Medical Sciences (AIIMS) however, denied that there was any pressure on Dr. Sudhir Gupta to present a doctored post mortem report.