The agency sleuths carried out these searches since this morning and the raids are still underway at Delhi's Shahin Bagh and other locations of suspects.
The NIA carried out searches at the hideouts of suspects in the case which was taken over by the anti-terror agency almost a month ago and it started its probe charging the "highly radicalised" arrested accused Shahrukh Safi.
The National Investigation Agency (NIA) has taken over the Kerala train fire tragedy case and started its probe charging the "highly radicalised" arrested accused Shahrukh Safi, sources said.
Special investigation team of the kerala police investigating the Kerala train arson case charged the accused Sharukh Saifi with section 16 of the Unlawful Activities Prevention Act(UAPA).
The order was issued by Judicial First Class Magistrate, who reached the Kozhikode Government Medical College Hospital, where the accused, Saifi, was undergoing treatment on Friday morning, to complete the process of remand.