Canadian sources say that, when pressed behind closed doors, no Indian official has denied the bombshell allegation at the core of this case — that there is evidence to suggest Indian government involvement in the assassination of a Canadian citizen on Canadian soil.
https://www.cbc.ca/news/politics/sikh-nijjar-india-canada-trudeau-modi-1.6974607
Our government has not released a single statement saying ‘we didn’t do it’ AFAIK. Let us know if you find any.