Testimonies by two psychiatric experts during final hearings in the Nirav Modi extradition matter before the High Court of Justice in London were crucial in debunking his poor psychological state argument and clinching the case for India, officials said.

The fugitive diamond merchant on Wednesday lost his appeal against extradition to India on mental health grounds as the High Court ruled that his risk of suicide is not such that it would be either unjust or oppressive to extradite him to face charges of fraud and money laundering.