The Index of Industrial Production (IIP) was flat at 0.1 per cent in July 2012 from the year-ago period, against estimates of a 0.5 per cent growth. The index, a key measure of industrial output, contracted by a shocking 1.8 per cent last month from the year-ago period against expectations of a 1 per cent growth after a very weak 0.1 per cent growth in April.