Diabetes is diagnosed in all except:-
Diabetes is diagnosed if,

HbA1c > 6.5% 
Fasting Blood Sugar (FBS) ≥ 126 mg/dL 
Post Prandial Blood Sugar (PPBS) ≥ 200 mg/dL 
RBS > 200 with symptoms of hyperglycemia like polyuria, polyphagia and polydipsia.
HbA1c > 6.5 %
Fasting Blood Sugar (FBS) ≥ 126 mg/dL
Post Prandial Blood Sugar (PPBS) ≥ 200 mg/dL
Random Blood Sugar >200