Below a paragraph is given followed by five sentences. Identify which sentence/s can be the correct sentence of the paragraph to make the paragraph complete and coherent.
In the Indian federal tax system since 1935, the Constitution armed the Union and the states with a large number of taxes that they could levy. Capsizing a variety of taxes into a single GST has been a revolutionary step in simplifying the tax regime. The other central task in GST was to create a system wherein credit of tax paid on inputs is laid out as an unbroken chain, starting with the initial stage of production from raw materials to the final stage of supply to a consumer.(-------------------------------). Moreover, the extent of revenue loss on account of the ITC system is astounding. The leap forward with respect of ITC has clearly missed its threshold and more needs to be done.