Now that the proposals contained in Union Budget 2013-14 have been dissected and debated for nearly a fortnight, it is worth revisiting certain key assumptions and projections that will determine whether finance minister Palaniappan Chidambaram’s numbers are credible or not. Importantly for the Congress, and the UPA, the estimates made in the Budget and the overall direction of the government’s economic policies will willy-nilly determine the fate of the ruling coalition in the 16th general elections scheduled for March-April 2014.