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India updates trade index base year to FY23 to better capture new-age trade trends

February 20, 2026 5 min read Economics GS3 (Indian Economy Data and Statistics)
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What Happened

  • India updated the base year of its Merchandise Trade Indices from FY 2012-13 to FY 2022-23, effective February 2026, as announced by the Directorate General of Commercial Intelligence and Statistics (DGCI&S) under the Ministry of Commerce and Industry.
  • The revision was undertaken on the recommendations of a committee headed by Nachiketa Chattopadhyay, Professor at the Indian Statistical Institute, Kolkata, which reviewed the existing methodology, weighting structure, and compilation practices.
  • The update reflects substantial changes in India's trade basket over the past decade — emergence of new commodities, technological shifts, global supply chain restructuring, and changes in relative price structures since 2012-13.
  • Merchandise Trade Indices are compiled to measure changes in the unit values (prices) of India's exports and imports over time and are widely used in economic analysis, including national accounts compilation and Terms of Trade assessment.

Static Topic Bridges

Merchandise Trade Indices: Purpose and Methodology

Merchandise Trade Indices are price index numbers that track changes in the unit values (effective prices) and volumes of a country's exports and imports over time. India compiles two primary trade indices: the Export Price Index (EPI) and the Import Price Index (IPI), along with volume indices derived from deflating value data by the price indices. The ratio of EPI to IPI gives the Terms of Trade (ToT) — a key measure of whether a country's export purchasing power relative to its imports is improving or deteriorating. The base year revision to FY23 ensures these indices reflect contemporary trade composition rather than the decade-old 2012-13 basket.

  • Compiled by: DGCI&S (Directorate General of Commercial Intelligence and Statistics), Kolkata, under the Ministry of Commerce and Industry.
  • Two core indices: Export Price Index (EPI) and Import Price Index (IPI).
  • Previous base year: FY 2012-13 (= 100); new base year: FY 2022-23 (= 100).
  • Method: Unit value indices (derived from trade value and quantity data) using Laspeyres or Fisher formula — aligned with UN guidelines on trade indices.
  • Usage: National accounts (GDP deflation), Terms of Trade assessment, trade policy analysis, IMF reporting.

Connection to this news: The base year update is significant because outdated base years cause index drift — overweighting products whose relative importance has declined and underweighting new export categories like electronics, chemicals, and pharmaceuticals that have surged post-2012.

Base Year Revision in Indian Statistical Systems

India's key economic indicators periodically require base year revisions to remain representative of current economic structure. The National Statistical Office (NSO) has revised GDP base years multiple times (most recently from 2004-05 to 2011-12); the Wholesale Price Index (WPI) base year (currently 2011-12) has also been recommended for revision to 2022-23 by the Parliamentary Standing Committee on Commerce. The Consumer Price Index (CPI) uses 2012 as its base year and is due for revision as well. Base year revisions involve updating the commodity basket (weighting diagram) and the price data sources — a technically intensive process requiring expert committee recommendations.

  • GDP base year: Revised to 2011-12 in 2015; next revision under discussion.
  • WPI base year: Currently 2011-12; Parliamentary committee called for revision to 2022-23 "at the earliest" (March 2026).
  • CPI base year: 2012 (combined rural + urban index).
  • Merchandise Trade Indices: Now revised to 2022-23 — first major revision in over a decade.
  • Committee for trade index revision: Headed by Nachiketa Chattopadhyay (ISI, Kolkata); reviewed methodology, weighting, and international best practices.

Connection to this news: India's trade index revision joins a broader agenda of statistical modernisation across economic indicators — UPSC Prelims has repeatedly asked about base years of WPI, CPI, IIP, and GDP; the trade index revision adds to this list of testable facts.

Terms of Trade and India's External Sector Analysis

Terms of Trade (ToT) — the ratio of a country's export prices to import prices — is a fundamental measure of external sector health. Improving ToT means a country can buy more imports per unit of exports; deteriorating ToT (e.g., when oil prices rise while export prices stagnate) erodes real national income. For India, ToT is particularly sensitive to oil price cycles: when crude prices spike, India's IPI rises faster than EPI, deteriorating ToT and widening the current account deficit. Accurate, up-to-date trade indices are therefore essential for correct ToT measurement and macroeconomic policy calibration.

  • India's export basket has shifted significantly since 2012-13: engineering goods, pharmaceuticals, electronics, and chemicals now dominate, while traditional items like gems and textiles have relatively lower shares.
  • India's import basket has also evolved: Russian crude (new), US LNG/LPG (new), electronics components (surged) — none well-captured by a 2012-13 base.
  • Accurate ToT data is used by: Ministry of Finance (Budget projections), RBI (BoP analysis), NITI Aayog (trade policy), and international organisations (IMF Article IV consultations).
  • A 2022-23 base year better reflects the post-COVID restructuring of global supply chains and India's trade diversification.

Connection to this news: Updating the base year to FY23 — which captures the post-pandemic trade patterns, Russia-Ukraine energy repricing, and India's supply chain restructuring — makes India's trade statistics more accurate for the very policy questions UPSC tests: oil vulnerability, trade deficits, and terms of trade deterioration.

Key Facts & Data

  • Trade index revision announced: February 2026 by DGCI&S (Ministry of Commerce and Industry).
  • Old base year: FY 2012-13; New base year: FY 2022-23 (= 100).
  • Committee: Headed by Nachiketa Chattopadhyay, Professor, Indian Statistical Institute, Kolkata.
  • Indices revised: Export Price Index (EPI) and Import Price Index (IPI) — together yield Terms of Trade.
  • Use of indices: National accounts, Terms of Trade calculation, trade policy, IMF reporting.
  • Related pending revisions: WPI base year (still 2011-12; Parliamentary committee recommended FY23 revision); CPI base year (2012); GDP base year (2011-12).
  • Parliamentary Standing Committee on Commerce called for WPI base revision "at the earliest" — March 2026.
  • DGCI&S: Located in Kolkata; under Ministry of Commerce and Industry.