Release of Discussion Paper on “Changes in Methodology of Quarterly GDP series and Sub-national Accounts”

1. At a Glance

MoSPI released a Discussion Paper on methodological changes to the Quarterly GDP series and Sub-national Accounts (SDP/DDP) as part of the ongoing base-year revision to FY 2022-23 [S1][S2].
Forms part of a series of consultation papers preceding the rollout of the New Series of National Accounts Statistics, released 27 February 2026 [S1][S2][S3].
Relevant for GS-III (Economy) — measurement of GDP, statistical reforms, federal data architecture.

Paper posted by PIB on 23 January 2026, inviting comments from experts/users; feedback window closed 5 February 2026 [S1][S2].
Third in a sequence of consultation papers; new GDP series with base 2022-23 released on 27 February 2026 [S2][S3].

Base-year revisions in Indian national accounts: 1948-49 → 1960-61 → 1970-71 → 1980-81 → 1993-94 → 1999-2000 → 2004-05 → 2011-12 → 2022-23 (current) [S3].
Advisory Committee on National Account Statistics (ACNAS) constituted under chairmanship of Prof. B.N. Goldar to advise MoSPI on new data sources and methodology [S1].
Earlier discussion papers in the series:
1st paper on production/income approach — released 21 November 2025 [S2].
2nd paper on Expenditure Approach to GDP compilation [S2].
3rd paper (this one) — Quarterly GDP + Sub-national accounts, 23 Jan 2026 [S1].

Ministry: Ministry of Statistics and Programme Implementation (MoSPI) [S1].
Compiling body: National Statistical Office (NSO), under MoSPI [S2].
Advisory body: ACNAS, chaired by Prof. B.N. Goldar [S1].
New base year: FY 2022-23 (replaces 2011-12) [S1][S3].
Release date of new series: 27 February 2026 [S1][S3].
Feedback deadline: 5 February 2026 [S2].
Scope of sub-national accounts: State Domestic Product (SDP) and District Domestic Product (DDP) — base year for GSDP to be revised by States/UTs for consistency [S2].
Statutory backing: Collection of Statistics Act, 2008; aligned with SNA 2008 (UN System of National Accounts).

Economic
Updated base year captures structural shifts post-pandemic, digital economy, e-commerce, fintech [S2].
Quarterly methodology refinements improve high-frequency tracking for monetary/fiscal policy.
Administrative / Federal
Standardised SDP/DDP methodology enables cross-state and inter-district comparability — addresses divergent State practices [S2].
States/UTs to align GSDP base year with Centre's 2022-23 [S2].
Statistical / Technological
Inclusion of new administrative data sources (GST, MCA-21, e-Vahan, EPFO, etc.) [S1].
Shift from survey-heavy to administrative-data-supplemented compilation.
Governance
Pre-release consultation papers mark a more transparent, participatory approach to statistical reform — contrast with earlier opaque base revisions criticised by economists (2015 series controversy).

ACNAS chair: Prof. B.N. Goldar [S1].
New National Accounts base year: FY 2022-23 [S1].
Previous base year: 2011-12.
New series released: 27 February 2026 [S3].
Implementing ministry: MoSPI (not Finance Ministry) [S1].
Compiling agency: National Statistical Office (NSO) [S2].
Sub-national accounts include both SDP and DDP [S2].
International framework followed: UN SNA 2008.
Number of pre-release discussion papers: three (production/income, expenditure, quarterly+subnational) [S2].
Feedback deadline on 3rd paper: 5 Feb 2026 [S2].

GS-III: Indian Economy — growth, development, mobilisation of resources; "Issues relating to planning, growth and employment".
GS-II: Statutory & advisory bodies (ACNAS); Centre-State data federalism.
Question stems: 1. "Periodic revision of the GDP base year is essential not just statistically but for credible policymaking. Discuss in light of MoSPI's 2022-23 base-year revision." 2. "Examine the challenges in compilation of sub-national accounts (SDP/DDP) in India and the recent methodological reforms." 3. "Pre-release consultation on statistical methodology improves data credibility. Comment."

National Statistical Commission (NSC) — apex body overseeing statistical reforms.
SNA 2008 / SNA 2025 (UN) — international accounting standard.
GVA vs GDP debate post-2015 base-year revision.
PLFS, ASI, MCA-21, GSTN — administrative data sources feeding new series.
Rangarajan Committee (2009) on national accounts.
Finance Commission — uses GSDP for devolution; affected by SDP methodology.
Periodic Labour Force Survey — concurrent statistical reform.
e-Sankhyiki portal — MoSPI's data dissemination platform.

ACNAS is chaired by B.N. Goldar, not C. Rangarajan or Bibek Debroy.
Base year revision is by MoSPI, not RBI or Finance Ministry.
New base year is 2022-23, not 2020-21 (avoided as COVID-distorted).
GSDP is compiled by State DESs, not solely by NSO — Centre provides methodology only.
DDP (District Domestic Product) is distinct from SDP; standardisation is new.

[S1] Release of Discussion Paper on "Changes in Methodology of Quarterly GDP series and Sub-national Accounts" — https://www.pib.gov.in/PressReleasePage.aspx?PRID=2217696 — (tier: 1)
[S2] Press Note on release of discussion paper (MoSPI) — https://www.mospi.gov.in/uploads/latestReleases/latest_release_1769167173072_3d5ef121-7ec8-48e3-b085-b2b4bf6d5563_Press_Note_on_release_of_discussion_paper_on_%E2%80%9CChanges_in_Methodology_of_Quarterly_GDP_series_and_Sub-national_Accounts%E2%80%9D.pdf — (tier: 1)
[S3] Press Note on New Series of GDP Estimates with Base Year 2022-23 (27.02.2026) — https://www.mospi.gov.in/uploads/latestReleases/latest_release_1772189865181_f040336d-bc57-4aed-b80f-586d9ccb279e_Press_Note_on_New_Series_of_GDP_Estimates_with_Base_Year_2022-23_27022026.pdf — (tier: 1)