Tharoor may be questioned again: police

New Delhi: Delhi Police Chief B.S. Bassi Tuesday said that if necessary, Congress MP Shashi Tharoor could be questioned again in the mysterious murder of his wife Sunanda Pushkar in January last year.

"We have examined several people related to this case. Some of them are still to be questioned and we are in the process of completing our questioning," Bassi told the media.

Asked about Tharoor's questioning Monday night, he said: "Tharoor was questioned for around three-and-a-half hours...and if necessary he will be called for a second round of questioning."

Pushkar was found dead in a luxury hotel here Jan 17, 2014. Police have said she was poisoned to death.

Bassi said that "our SIT (Special Investigation Team) questioned Tharoor about the background of the incident and also the incident".

He added that the police was analysing Tharoor's answers given to the interrogating team.

Tharoor was questioned Monday evening - hours after he was issued a notice.