Former Finance Minister P. Chidambaram on Wednesday raised questions about what caused the change in the "declared goals" of the Goods and Services Tax (GST) regime, why it was being changed. "Until yesterday a single standard rate of GST was a stupid idea. Since yesterday, it is the declared goal of the government!

"Until yesterday capping GST at 18 per cent was impracticable. Since yesterday, the Congress party's original demand of an 18 per cent cap is the declared goal of the government!