New Delhi, Aug. 4 -- The Delhi High Court on Tuesday disposed of an appeal moved by six Ukrainian nationals challenging their detention and the extension of the investigation period, terming it not appealable under the National Investigation Agency (NIA) Act.

The High Court said that the extension of the investigation period under the NIA Act is not an appealable order.

Petitioner Hurba Petro and other Ukrainian nationals had challenged the extension of the period of NIA investigation. They are in judicial custody after their arrest by the NIA in April 2026. The period of investigation was extended beyond 90 days to 180 days.

Division Bench of Justices Prathiba M Singh and Vikas Mahajan disposed of the appeal, terming the order as an i...