"Things are not wot they seem", began a music hall ditty, popular in England between the wars. When something is offered for nothing, even those who should not look a gift horse in the mouth, will naturally look for the catch: the very idea flies in the face of Murphy's Law and so it cannot be true. In his budget presented to Parliament last month, Finance Minister Ramaswami Venkataraman has used the something-for-nothing formula with great panache. But it is all done apparently with mirrors and the images are already moving out of focus.