Extracted Data Points:

  • Ministry of Statistics and Programme Implementation (MoSPI) is releasing the Report of the Technical Advisory Committee on Base Year Revision of the All-India Index of Industrial Production (TAC-IIP)
  • Technical Advisory Committee (TAC) for base year revision of IIP was constituted in September 2024
  • Committee chaired by Dr. Mridul K. Saggar, Professor at IIM Kozhikode
  • Committee comprised experts from leading academic institutions, chief economists, senior officials from Government of India and State Directorates of Economics and Statistics (DESs)
  • TAC-IIP held eleven meetings
  • Three discussion papers released in public domain: (i) "Substitution of Factories in the Compilation of the Index of Industrial Production (IIP)", (ii) "Adoption of Chain-Based Index of Industrial Production (IIP)", and (iii) "Seasonal Adjustment of Index of Industrial Production"
  • Three consultative workshops conducted for stakeholder consultation

Major Changes in New IIP Series with base 2022-23:

  • New IIP series expands scope by including Minor Minerals, Rare Earth Minerals, Gas Supply, Water Supply and Sewerage & Waste Management
  • Revised basket consists of 1,042 products mapped to 463 item groups
  • Updated IIP series aligned with National Industrial Classification (NIC-2025)
  • Introduces greater granularity through sub-indices including separate indices for electricity generated from renewable and non-renewable sources
  • Mining and Quarrying sector divided into three sub-indices: Fuel Minerals, Metallic Minerals (including Rare Earth Minerals), and Non-Metallic Minerals (including Minor Minerals)
  • Methodological enhancements include substitution of permanently closed factories with comparable units
  • Augmentation of panel of factories by incorporating newly commissioned large-scale factories
  • New series adopts Geometric Mean method for linking 2011–12 series with new 2022–23 series
  • Linking factors computed at aggregated levels for General Index and Sectoral Indices

Release Schedule:

  • Official launch scheduled for 01 June 2026
  • First release will present index values starting from April 2023 onwards
  • Includes Quick Estimates of April 2026
  • Release includes All-India General Index of IIP
  • Sector-wise indices for Mining and Quarrying, Manufacturing, Electricity & Gas Supply and Water Supply, Sewerage & Waste Management
  • Manufacturing sector indices at 2-digit level of NIC-2025
  • Indices based on Use-based Classification and linking factor

Relevance: Relevant - Contains significant methodological changes and expansion of coverage for the Index of Industrial Production, which is a crucial economic indicator affecting market analysis and economic policy decisions.