The government has revised the base year for GDP calculation from 2004-2005 to 2011-12. As a result of which, GDP growth in 2013-14 shot up from 4.7% to 6.9% What are the reasons behind this sharp increase or is this just a gimmickry of numbers? ET NOW's Consulting Editor Mythili Bhusnurmath caught up with Chief Statistician of India TCA Anant and began by asking if the manufacturing sector’s contribution was being understated all along. Listen in.