According to the report, over the past few fiscals, even as the number of towers rose, average rental realisation moderated 3-5 per cent because of discounts on renewals and demand for leaner4 towers. According to the report, over the past few fiscals, even as the number of towers rose, average rental realisation moderated 3-5 per cent because of discounts on renewals and demand for leaner4 towers. Zee News :Business