The Indian economy is expected to have grown 7.4% in the December quarter from the year before, with estimates ranging from 7% to 8.7%, according to an ET poll. Festive season demand, aided by goods and services tax (GST) rationalisation, supported activity. Economists caution that the estimates could be revised as the statistics ministry unveils the new GDP series with FY23 as the base year on February 27. Anoushka Sawhney takes a look at the numbers: Sectoral Drivers of Growth Robust Growth Led By: Rural and urban consumption Manufacturing boost from GST cuts Improvement in the services sector