"I may file a PIL in court seeking a thorough probe into the matter relating to the death of Sunanda Pushkar," Swamy said while replying a question here on the sidelines of a programme.

Swamy said he had sought court's interference on many occasions during the UPA regime but "have not moved court on any matter after the NDA came to power".

"However, I may file a PIL in the case of Sunanda Pushkar's death even as her husband has been making rounds to the BJP office in Delhi," he said.

Swamy has for long demanded a special investigation of Pushkar's death alleging foul play.

Sunanda was found dead in a five-star hotel in south Delhi on the night of January 17, after her Twitter spat with Pakistani journalist Mehr Tarar over an alleged affair with her husband.

A team of AIIMS doctors had last month submitted a fresh report to police on Sunanda's death after examining her viscera and maintained that she died of poisoning.

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