Former Telecom Minister A Raja's key aide Sadiq Batcha, who allegedly committed suicide in mysterious circumstances, died of asphyxia, a doctor who conducted the post-mortem said on Thursday.

"We cannot say now whether it was suicide or murder.. the report will be ready in two weeks," Dr V Dekal said. "The death was caused due to asphyxia but the cause of that cannot be confirmed till the forensic report is received," he told reporters here, adding, the entire autopsy was videographed.