Business Industrial growth at 6-month high of 3.4% in April Updated : June 12, 2019 09:45 PM IST The Index of Industrial Production (IIP) had expanded by 4.5 percent in April 2018. The expansion in the mining sector was 5.1 percent compared to 3.8 percent in the year-ago month. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.