The Union Government has requested this. The UPA and congress ruled state governments are likely to accept the advice. The policy of states ruled by Non UPA and Non Congress parties is not known.
G. K. Ajmani Tax consultant http://gkajmani-mystraythoughts.blogspot.com/
UPA had played a trick here.They can say that states can avoid the levy and thus bring some releif.When non congress states do not accept this Congress can blame them!What a politics!!!!!