States need not stick to the recommendations by the GST Council, formed under the new sales tax regime, as they are only persuasive. To regard them as supreme would disrupt Indian federalism as the constitution also allows state governments... 
Negative GST Alert: BQ says the SC ruling on GST Council recommendations as persuasive and not binding on states, put in peril the biggest tax reform gst.
yes bro, you are right from states point of view. today FM clarification is about states not losing their share of excise duty and that centre will bear the entire 1.1 lakh cr loss as it is cut in Cess and not basic excise duty.