Anil Deshmukh had on Saturday refuted all the allegations against him said that he is filing a defamation suit against the former Mumbai Police Commissioner.
An NIA officer in Delhi told IANS: "The agency has received a notification from the Ministry of Home Affairs to probe the case of death of Hiren. And we will soon register a case."
The autopsy report, findings and opinion of the four-member medical team, has been kept in reserve while his viscera has been preserved for forensic analysis, said Deputy Commissioner of Police (Zone-I) Avinash Ambure.