GRI Disclosure Framework — Universal + Sector + Topic Standards, BRSR Mapping

The Global Reporting Initiative (GRI) Standards are the most widely-adopted voluntary sustainability-reporting framework globally — used by over 10,000 organisations across 100+ countries. For Indian listed entities required to file the SEBI-mandated BRSR, GRI is operationally relevant as the supplemental framework that global investors, rating agencies (MSCI, Sustainalytics, S&P CSA, ISS ESG), and lenders most often reference.

The companion GRI glossary entry covers definitions, history, BRSR vs GRI orientation, and India context. This page is the practical implementation guide — the 3-layer Standards architecture in detail, the GRI 3 materiality assessment methodology, the GRI content index format, disclosure-level BRSR mapping, and common findings during voluntary GRI-aligned reporting in India.

The 3-layer GRI Standards architecture

GRI Standards are organised in three layers. Every reporter applies the Universal Standards. Reporters in covered sectors additionally consult the relevant Sector Standard. Reporters then apply specific Topic Standards for each material topic identified through their GRI 3 materiality assessment.

Layer 1 — Universal Standards (apply to every reporter)

Standard	Title	Effective	Scope
GRI 1	Foundation 2021	1 Jan 2023	Reporting principles (accuracy, balance, clarity, comparability, completeness, sustainability context, timeliness, verifiability); the 9 mandatory reporting requirements; “in accordance with” vs “with reference to” claim rules
GRI 2	General Disclosures 2021	1 Jan 2023	30 disclosures organised in 5 sections: organisation + reporting practices; activities + workers; governance; strategy + policies + practices; stakeholder engagement
GRI 3	Material Topics 2021	1 Jan 2023	The 4-step materiality assessment process; how to apply Topic + Sector Standards once material topics are identified

The 2021 Universal Standards replaced the earlier GRI 101/102/103 (2016) suite. Reports published on or after 1 January 2023 use the 2021 architecture.

Layer 2 — Sector Standards (apply where the entity operates in a covered sector)

Standard	Sector	Year
GRI 11	Oil and Gas	2021
GRI 12	Coal	2022
GRI 13	Agriculture, Aquaculture and Fishing	2022
GRI 14	Mining	2024
GRI 15 (in development)	Banking	Expected 2025-26
GRI 16 (in development)	Textiles	Expected 2026

Sector Standards do not replace Topic Standards — they guide which Topic Standards likely apply by pre-identifying material topics for that sector. The reporter still runs GRI 3 to confirm materiality and identify any additional sector-specific issues.

Layer 3 — Topic Standards (200 / 300 / 400 series — apply per material topic)

Topic Standards are organised by theme. Each Topic Standard contains “topic management disclosures” (how the organisation manages the topic) + “topic-specific disclosures” (the actual quantitative + qualitative reporting).

200 series — Economic topics

• GRI 201 Economic Performance — direct economic value generated + distributed
• GRI 202 Market Presence — entry-level wages vs local minimum wage; senior management hired from local community
• GRI 203 Indirect Economic Impacts — infrastructure investments; supported indirect impacts
• GRI 204 Procurement Practices — proportion of spending on local suppliers
• GRI 205 Anti-Corruption — operations assessed; communication + training; confirmed corruption incidents
• GRI 206 Anti-Competitive Behaviour — legal actions for anti-competitive conduct
• GRI 207 Tax — tax governance + control + management; country-by-country reporting

300 series — Environmental topics

• GRI 301 Materials — materials used; recycled input materials; reclaimed products + packaging
• GRI 302 Energy — energy consumption within + outside the organisation; energy intensity; reductions
• GRI 303 Water and Effluents — water interactions; water-stress assessment; withdrawal + discharge + consumption
• GRI 304 Biodiversity — operational sites near protected areas; significant impacts; habitats protected
• GRI 305 Emissions — Scope 1 + 2 + 3 GHG emissions; intensity; ODS; NOx, SOx + other significant air emissions
• GRI 306 Waste — waste generation; waste prevented from disposal; waste directed to disposal
• GRI 307 (deprecated — incorporated into GRI 2)
• GRI 308 Supplier Environmental Assessment — supplier screening + identified negative impacts

400 series — Social topics

• GRI 401 Employment — new hires + turnover; benefits provided; parental leave
• GRI 402 Labour-Management Relations — minimum notice periods for operational changes
• GRI 403 Occupational Health and Safety — OHS management system; hazard identification; injury rates; coverage; promotion of worker health
• GRI 404 Training and Education — training hours per employee; programmes; performance reviews
• GRI 405 Diversity and Equal Opportunity — diversity of governance bodies + employees; ratio of basic salary by gender
• GRI 406 Non-Discrimination — incidents + corrective actions
• GRI 407 Freedom of Association — operations + suppliers where the right may be at risk
• GRI 408 Child Labour — operations + suppliers at significant risk
• GRI 409 Forced or Compulsory Labour — operations + suppliers at significant risk
• GRI 410 Security Practices — security personnel trained in human rights
• GRI 411 Rights of Indigenous Peoples — incidents of violations
• GRI 413 Local Communities — operations with engagement + impact assessment; operations with significant actual or potential negative impacts
• GRI 414 Supplier Social Assessment — supplier screening + identified negative impacts
• GRI 415 Public Policy — political contributions
• GRI 416 Customer Health and Safety — incidents of non-compliance
• GRI 417 Marketing and Labelling — incidents of non-compliance
• GRI 418 Customer Privacy — complaints regarding breaches of customer privacy + losses of customer data

GRI 3 — Materiality assessment in 4 steps

GRI 3 prescribes the methodology that identifies which Topic Standards apply to a given organisation. The 4-step process:

Step 1 — Understand the organisation’s context. Document the entity’s activities, business relationships (suppliers, customers, joint ventures, partnerships), the geographic + sectoral + regulatory environment it operates in, the sustainability context (sector-relevant ESG issues, applicable frameworks, stakeholder expectations), and the relevant stakeholders.

Step 2 — Identify actual + potential impacts. Catalogue impacts on the economy, environment, and people (including human rights) — across the entity’s own operations + business relationships (upstream + downstream). Both positive + negative impacts. Both actual (already occurring) + potential (could reasonably occur given operations + context). Sources: stakeholder consultations, internal records, peer benchmarking, public sources, expert input.

Step 3 — Assess significance. For each identified impact, evaluate (a) severity — scale (how grave), scope (how widespread), irremediability (how hard to undo); (b) likelihood — for potential impacts. Severity is scored independently of likelihood (so a high-severity, low-likelihood impact still ranks). Document the criteria + the scoring rationale.

Step 4 — Prioritise the most significant impacts. Cut the list to the most significant — these become material topics. Apply the corresponding Topic Standards (and relevant Sector Standard disclosures) to each. Validate the prioritisation with senior management + relevant stakeholders.

The output of GRI 3 is a list of material topics + the supporting documentation. This drives the Topic Standards applied in the report. The materiality assessment should be refreshed at least annually and re-validated whenever the entity’s context changes materially.

For a hands-on walkthrough including stakeholder consultation methods + scoring templates, see the Materiality Assessment Walkthrough.

The GRI content index — format + worked example

Every “in accordance with” reporter must publish a GRI content index — a structured table listing each disclosure used and where it’s reported. Common format:

Statement of use	Reporter has reported in accordance with the GRI Standards for the period [Jan-Dec 20XX]
GRI 1 used	GRI 1: Foundation 2021
Applicable Sector Standard(s)	GRI 11: Oil and Gas Sector 2021 (if applicable)

Then the index continues, disclosure-by-disclosure:

Disclosure	Title	Location	Omission
2-1	Organisational details	Page 3	—
2-2	Entities included in sustainability reporting	Page 4	—
2-6	Activities, value chain + other business relationships	Pages 6-8	—
3-1	Process to determine material topics	Pages 11-12	—
305-1	Direct (Scope 1) GHG emissions	Page 24, Table 4	—
305-2	Energy indirect (Scope 2) GHG emissions	Page 24, Table 4	—
305-3	Other indirect (Scope 3) GHG emissions	Page 25, Table 5	Categories 1, 4, 6, 7, 11 reported; remaining 10 categories not material
403-9	Work-related injuries	Page 38	—

Omission reasons are restricted to a defined list: (a) not applicable; (b) legal prohibition; (c) confidentiality constraints; (d) information unavailable / incomplete. Each omission must include an explanation — a brief justification.

BRSR ↔ GRI mapping at the disclosure level

The two frameworks were designed independently but converge on most subject matter. An Indian listed entity preparing both disclosures typically maintains an internal mapping table so the same underlying data feeds both. Indicative mappings:

BRSR disclosure	Closest GRI equivalent
BRSR Section A — general disclosures (governance, profile, value chain)	GRI 2-1, 2-2, 2-6, 2-9 to 2-21
BRSR Principle 1 Essential Indicators (Code of Conduct, anti-corruption)	GRI 205-1, 205-2, 205-3
BRSR Principle 1 Openness of Business (Core KPI)	GRI 2-6 + 207-1 (tax governance partial)
BRSR Principle 3 Essential Indicators (employee wellbeing, training, benefits)	GRI 401-1, 401-2, 401-3, 404-1, 404-2
BRSR Core Spend on Wellbeing	GRI 401-2 (benefits provided) partial
BRSR Core Gender Diversity	GRI 405-1
BRSR Principle 3 OHS disclosures	GRI 403-1 to 403-10
BRSR Core Safety LTIFR	GRI 403-9
BRSR Principle 5 Essential Indicators (human rights, POSH)	GRI 406-1, 407-1, 408-1, 409-1, 411-1
BRSR Core Female Wages as % of Total Wages	GRI 405-2
BRSR Core POSH Complaints	GRI 406-1 partial
BRSR Principle 6 Essential Indicators (Scope 1 + 2 emissions)	GRI 305-1, 305-2
BRSR Principle 6 Leadership Indicator (Scope 3)	GRI 305-3
BRSR Core GHG Intensity per Revenue	GRI 305-4
BRSR Core Water Withdrawal Intensity	GRI 303-3 + 303-5
BRSR Core Energy Footprint	GRI 302-1, 302-3
BRSR Core Waste Circularity	GRI 306-3, 306-4, 306-5
BRSR Principle 8 Essential Indicators (CSR, inclusive growth)	GRI 203-1, 203-2, 413-1, 413-2
BRSR Core Job Creation in Smaller Towns	GRI 202-2 partial

The ICAI Background Material on BRSR (Revised 2024) publishes the authoritative version of this mapping — Indian entities preparing both reports should reference the ICAI mapping for the official cross-references.

GRI 305 (Emissions) — the most-applied Topic Standard

GRI 305 is the disclosure standard most often referenced because GHG emissions are material to nearly every entity. The disclosures:

Disclosure	Title	Typical assurance scope
305-1	Direct (Scope 1) GHG emissions	Reasonable or limited assurance under ISAE 3410 / SAE 3410
305-2	Energy indirect (Scope 2) GHG emissions	Both location-based + market-based methods disclosed
305-3	Other indirect (Scope 3) GHG emissions	By category (15 GHG Protocol categories); identified material categories assured
305-4	GHG emissions intensity	Intensity ratio + the denominator chosen + the gas-coverage scope
305-5	Reduction of GHG emissions	Reductions achieved; gases included; base year; standards, methodologies, assumptions
305-6	Emissions of ozone-depleting substances (ODS)	CFC-11 equivalent
305-7	NOx, SOx + other significant air emissions	NOx, SOx, persistent organic pollutants, VOCs, hazardous air pollutants, particulate matter

GRI 305 calculation methodology aligns with the GHG Protocol Corporate Standard — the same calculation basis used for BRSR Core GHG intensity. Entities preparing both disclosures reuse the same GHG inventory; only the output presentation differs.

Common findings in GRI-aligned Indian sustainability reports

From assurance + advisory engagements on voluntary GRI-aligned reports prepared alongside mandatory BRSR submissions:

1. GRI 3 materiality assessment treated as a procedural exercise. Stakeholder consultation conducted but not documented; materiality matrix published without showing the underlying severity + likelihood scoring; same material topics every year without re-validation. Fix: maintain a materiality workbook with stakeholder list, consultation evidence, scoring criteria, scoring per impact, decision-trail.
2. Sector Standard not applied where it should be. Oil & gas, coal, agriculture, mining entities sometimes prepare reports without consulting the relevant GRI 11/12/13/14 Sector Standard. The Sector Standard’s pre-identified material topics are not opt-in. Fix: explicitly disclose which Sector Standard was applied + how each pre-identified topic was evaluated.
3. Content index gaps without omission reasons. Disclosures listed in the index but reported as “not available” or simply left blank, without a GRI-permitted omission reason. Fix: every gap needs one of the 4 omission reasons + a written explanation.
4. Scope 3 reported as a single number. GRI 305-3 expects category-level breakdown across the 15 GHG Protocol Scope 3 categories. A single aggregate Scope 3 number doesn’t meet the disclosure requirement. Fix: break out the material categories with calculation methodology; explain why non-material categories are excluded.
5. GRI + BRSR inconsistency. The same underlying data (GHG inventory, workforce demographics, water metrics) reported differently in the GRI report vs the BRSR. Fix: establish a single source of truth + maintain a reconciliation between the two presentations.
6. No claim statement. “In accordance with” vs “with reference to” not stated, or the claim is overstated relative to actual coverage. Fix: a clear statement at the top of the GRI content index — “Reporter has reported in accordance with the GRI Standards for the period [X to Y]” or the lighter alternative.
7. Assurance scope unclear. Assurance opinion appended to the GRI report without specifying which disclosures are covered + what level of assurance (limited vs reasonable). Fix: an explicit assurance statement listing scoped disclosures, assurance level, assurance standard (ISAE 3000 (Revised) / ISAE 3410 / SAE 3410), assurance provider, and any qualifications.

GRI–ISSB–ESRS interoperability — the converging landscape

(For the full ESRS standards architecture + the post-Omnibus CSRD thresholds + 3 India-relevance cases, see the CSRD Disclosure Framework methodology page.)

Three frameworks dominate global sustainability reporting in 2025:

• GRI Standards — impact materiality (outward)
• IFRS S1 + S2 (ISSB) — financial materiality (inward); see the TCFD Disclosure Framework page for the predecessor architecture
• EU CSRD / ESRS — double materiality (both)

The three are converging through formal interoperability work:

• GRI + IFRS Foundation MoU (March 2022) — coordinate standard-setting; jointly identifiable terminology; ongoing alignment.
• EFRAG + GRI Statement of Interoperability (November 2024) — explicit mapping between ESRS and GRI, enabling joint compliance for EU + voluntary global reporters.
• TCFD recommendations fully consolidated into IFRS S2 (October 2023 dissolution) — the climate framework backbone is now ISSB-led.

For Indian listed entities, the practical position in 2025-26 is: BRSR is the mandatory regulatory report; GRI is the most-cited voluntary supplemental framework; IFRS S2 alignment is becoming the next-tier maturity expectation for entities with global investor exposure. The three can be prepared on a shared data foundation.