This is a European Court of Human Rights case.
Chahal was in the United Kingdom. He was wanted in his native India on suspicion of orchestrating terrorist attacks. He had spent 6 years in prison in India without a proper hearing.
The UK sought to extradite him. Chahal claimed he would be tortured by the Indian security forces.The Home Secretary signed a certificate saying Chahal being in the UK was not conducive to the public good and he could be sent hme without a hearing.
Article 3 of ECHR forbids torture and this is absolute – irrespective of soeone’s conduct
The ECHR ruled that Chahal could not be sent to India because he faced torture. Mreover,t he system where by the Home Secreart could order him out and there was no appeal on this was not allowed duue to article 4 and 5