 Chopra stood for food safety and testified before the Senate of Canada in defending the public from hormones, antibiotics, genetically modified organisms, rendered animal proteins, and pesticides.Chopra was involved in one of the first major whistleblowing incidents in the Public Service of Canada.Chopra was also involved in the second systemic racial discrimination case in the Canadian public service, when it was found by a Canadian Human Rights Tribunal that his employer, Health Canada had discriminated against him on the basis of his race.