India’s GDP/GVA data are now being re-estimated with respect to a new base year — 2022-23 — replacing the earlier base year of 2011-12. The new series better reflects structural changes in the economy as it assigns higher weights to those sectors which have grown faster and have increased their relative share in the overall GDP or GVA, writes DK Srivastava l Rationale for the new GDP series FOR CAPTURING THE activities of the informal sector and companies not reporting to the ministry of corporate affairs, various rates and ratios have been used in the 2011-12 series. Additional data sources are now being used in the new series which will make gross domestic product (GDP)/gross value added (GVA) numbers more reliable. An important additional data source is the GST database which would facilitate better compilation of quarterly GDP/GVA series and state-level GSDP series.