Canada's case was well corroborated by US and UK intelligence. India's claims of Mr Nijjar of being a terrorist was not.

>But nothing in the evidence India presented, the people say, met the standard for criminal charges in Canada, let alone for extradition. To press their case, officials in New Delhi frequently sent clippings from Indian media, which was rife with lurid stories about Nijjar’s alleged involvement in violence, instead of providing what the process required: hard evidence, obtained without coercion, that would stand up in a Western courtroom. When that didn’t work, the people say, the Indians suggested that Canadian police find a way to concoct the necessary evidence.

https://www.bloomberg.com/features/2025-india-sikh-separatis...