A tax of 2-3% proposed so that seamless flow of credit is not broken & cascading is remove Petroleum products, including crude and some intermediate products, could be taxed under the proposed goods and services tax (GST), a move that will reduce the imperfections in the new levy and also narrow the inflationary impact of the tax. A proposal favouring imposition of a modest tax on these products is being examined and is expected to be taken up by the newly constituted GST Council where the government will try and convince states of its merit. The idea is to have some mini mal tax of about 2-3% so that se amless flow of credit is not bro ken and casca ding is removed. These products are at present proposed to be covered within the GST but zero rated till the time the council decides to impose a tax. States will continue to have freedom to levy local sales tax on it. States have been opposed to a change in tax regime for petroleum goods, an easy way of quickly mopping up