Commercial Taxes Department Chief Commissioner Babu A has said that the State is leveraging GST and related commercial tax data to develop a real-time mechanism for assessing economic activity and estimating Gross Value Added (GVA) across key sectors. Addressing the 8th Collectors’ Conference at the Secretariat on Thursday, Babu said the GST-based assessment of manufacturing activity was showing a 19.6 per cent year-on-year growth up to July, compared with the approximately 18 per cent growth recorded up to the first quarter. The estimated manufacturing GVA stood at around Rs 1.75 lakh crore.