"The police commissioner is not telling the media that the FBI found the presence of heart arrest injectable poison lidocaine in Sunanda's body," Swamy tweeted.
At the Iftar event hosted by him on Sunday evening, the Delhi chief minister said there were no "hard feelings" between them and that the "sour relationship" should end to ensure effective governance and development in the national capital.
The DCW issued two summons to the AAP leader, but both have gone unanswered.
"Have been told that medical board's advice in late Sunanda's case has been received," Delhi police Commissioner BS Bassi said in a tweet.
Union Home Minister Rajnath Singh on Thursday said that there is no political pressure in dealing with former union minister Shashi Tharoor's wife Sunanda Pushkar's death case and added that an impartial inquiry is being conducted on the same.
Singh has been accused of assaulting a MCD engineer during the demolition of an illegal colony in west Delhi.
Delhi Chief Minister Arvind Kejriwal will on Wednesday lead a protest rally against the Narendra Modi government's land bill at Jantar Mantar in the national capital. However, the common man's minister, who in the past turned down security, has asked the Delhi police to keep the media at bay during the rally, said sources.
All 240 churches in the city have been identified and assessed for their foolproof security arrangements in the wake of recent attacks on them, and the Delhi Police have also plotted the buildings on a map for a holistic view.
Sunanda, who was not married to Tharoor then, had refuted allegations of any wrongdoing.
The hotel room, where former minister Shashi Tharoor's wife Sunanda Pushkar was found dead under mysterious circumstances on January 17, has been re-examined by police and forensic experts who claimed to have found some fresh evidence.
The top cop said it is a 'misunderstanding' that the Delhi Police works under political pressure.
Arvind Kejriwal's Aam Aadmi Party has released a 12-day-old video showing two cops beating up a man, as vindication of its campaign against the Delhi Police which it terms as "highly compromised and corrupt".
Following the public suicide of farmer Gajendra Singh in the national capital, Dausa district Tehsildar Satish Kumar Jain on Thursday stated that the former was 'financially sound'.
Delhi Police has questioned some key witnesses besides sending three mobile phones and a laptop for advance forensic investigations in the mysterious death of Sunanda Pushkar.
The Aam Aadmi Party on Thursday extended its support to a protest organised by Delhi University teachers, employees and students' unions over police inaction into allegations of sexual harassment against a Delhi University college principal by a sacked employee who later committed suicide.
The area is being screened with the help of sniper dogs and bomb disposal squads.
The details of the FBI report that has virtually ruled out 'polonium poisoning' as the cause of Sunanda Pushkar's death cannot be made public before its submission in court, Delhi Delhi Police said on Thursday.
The Aam Aadmi Party government has decided to take up with the Union home minister its demand for the suspension of four police officials for alleged non-cooperation and lapses in duty after the Delhi police chief rejected their call for the said personnel to be penalised.
The Special Investigation Team will take a decision on which country the samples of Sunanda Pushkar's viscera will be sent, in the next two days, Delhi Police Commissioner BS Bassi said on Tuesday.
Parents of the December 16 gangrape victim along with 40 Delhi University and Jawaharlal Nehru University students were detained by the police today as they staged a protest against the release of the juvenile convict in the case.
A Christian school was allegedly vandalised in South Delhi's Vasant Vihar area
Having registered an FIR over the controversial interview of one of the December 16 gang rape convicts, Delhi Police on Wednesday said it will probe as to why the contents of the work were not shown to the relevant authorities.
Shiv Menon was asked how the relationship was between Tharoor and Sunanda
Home Minister Rajnath Singh on Monday asked the Delhi police to extend full support to the Arvind Kejriwal government
A sub-inspector was arrested and dismissed from service for allegedly raping a 23-year-old domestic help at gun point, an incident which evoked strong reactions from political parties here with AAP demanding resignation of Delhi Police chief B S Bassi.