What are the 3 ground of judicial review by K.M.R.Opu (222-26-551) - Friday, 6 October 2023, 1:06 PM Number of replies: 0 Lord Diplock in Council of Civil Service Unions v Minister for the Civil Service[1985] states three grounds . They are -1. Illegality (unconstitutionality),2. Irrationality 3. procedural impropriety. Permalink Reply