India on Tuesday retaliated to a provocation by Canada, which declared an Indian official posted at the Toronto consulate persona non-grata, by announcing expulsion of the latter’s diplomat posted in Delhi on charges of “interference” in “internal matters” and “involvement in anti-Indian activities”.Government sources said Oliver Sylvester, Consular, Political and Public Safety at the Canadian High Commission in Delhi was identified for the punitive action because he was “active” and had been allegedly “meeting discreetly” with Khalistanis and their sympathisers. He is from a Canadian intelligence agency...