ESG for Indian Banks and NBFCs: RBI’s Green Deposit Framework and What SEBI’s BRSR Mandate Means for Financial Services

Published: 3 August 2026 | Category: Financial Services & ESG | Reading time: 14 min read

India’s banking and financial services sector sits at a unique intersection in the ESG landscape. Banks do not mine coal, discharge effluent, or operate factories — yet they finance the companies that do. A single large bank’s lending portfolio can have a carbon footprint larger than the entire steel industry’s direct emissions. This makes financial institutions both the largest enablers of — and the most powerful levers for — India’s sustainability transition.

Three regulatory forces are now converging on Indian BFSI: RBI’s Green Deposit Framework (effective June 2023), SEBI’s BRSR mandate requiring listed banks to disclose ESG performance, and growing international pressure to measure and disclose financed emissions through frameworks like TCFD and PCAF. For an industry accustomed to regulatory compliance, these requirements introduce a fundamentally new dimension — one where the ESG performance of your borrowers determines your own ESG score.

The RBI Green Deposit Framework

RBI’s Framework for Acceptance of Green Deposits, applicable to all scheduled commercial banks, small finance banks, deposit-taking NBFCs, and housing finance companies, establishes India’s first structured green finance product standard. The framework requires:

Requirement	What It Means	Compliance Deadline
Board-approved financing framework	Documented criteria for allocating green deposits to eligible sectors	Effective from 1 June 2023
Eligible sector allocation	Green deposits must be allocated exclusively to 9 specified sectors	Ongoing
Third-party verification	Independent verification of green deposit allocation and impact	Annual
Impact reporting	Disclose environmental impact of financed projects (e.g., CO₂ avoided, MW installed)	Annual (website publication)
No greenwashing	Interest rates and terms must not mislead depositors about environmental claims	Ongoing

The nine eligible sectors for green deposit allocation are: renewable energy, energy efficiency, clean transportation, climate change adaptation, sustainable water management, waste management, green buildings (GRIHA/IGBC-certified), biodiversity conservation, and pollution prevention and control. Banks must maintain auditable records demonstrating that green deposit funds flow exclusively to these sectors.

Financed Emissions: The BFSI Carbon Footprint

For manufacturing companies, Scope 1 and 2 emissions are the primary carbon footprint. For banks, the picture is inverted — operational emissions (office electricity, employee travel) are trivial compared to the emissions embedded in the lending and investment portfolio. A mid-size Indian bank with ₹3 lakh crore in assets typically has Scope 1+2 emissions of 50,000-100,000 tCO₂e but financed emissions (Scope 3 Category 15) of 10-50 million tCO₂e.

The Partnership for Carbon Accounting Financials (PCAF) provides the globally accepted methodology for measuring financed emissions. PCAF calculates a financial institution’s attributed emissions based on its share of financing in each borrower’s total capital, multiplied by the borrower’s emissions:

Financed Emissions = Σ (Outstanding Amount / Total Capital) × Borrower’s Scope 1+2 Emissions

For Indian banks, the practical challenge is data availability. Most Indian borrowers — particularly MSMEs and mid-corporates — do not report GHG emissions. PCAF addresses this through a data quality hierarchy: borrower-reported data (highest quality), estimated using revenue-based emission factors, or estimated using sector-average factors (lowest quality). Indian banks are currently at the lowest quality tier for 80-90% of their portfolios.

BRSR for Banks: The Sector-Specific Challenge

BRSR was designed primarily for manufacturing and industrial companies. Financial services face unique challenges in applying the framework:

Principle 2 (Product Lifecycle): For banks, “product” means financial products. Lifecycle sustainability means assessing the environmental and social impact of the activities financed by loans, investments, and insurance products. This is conceptually different from manufacturing product lifecycle and requires adapted interpretation.

Principle 6 (Environment): Operational environmental metrics (energy, water, waste) for banks with 5,000+ branches are data-intensive but not methodologically complex. The challenge is Scope 3 — financed emissions — which SEBI’s BRSR Core will increasingly require. Banks must decide whether to report financed emissions voluntarily now or wait for explicit SEBI guidance.

Principle 5 (Human Rights): For banks, human rights due diligence extends to lending decisions. Are you financing projects that displace communities? Are your borrowers in sectors with high labour rights risks (construction, garments, agriculture)? The Equator Principles and IFC Performance Standards provide frameworks, but fewer than 10 Indian banks have formally adopted them.

Green Bonds: India’s Growing Pipeline

India has emerged as a significant green bond issuer, with cumulative issuance exceeding $22 billion. The Government of India’s sovereign green bond programme (launched January 2023) has added further momentum, with two tranches totalling ₹16,000 crore.

For banks, green bond issuance requires a Green Bond Framework aligned to ICMA Green Bond Principles, second-party opinion from an accredited reviewer, allocation reporting, and annual impact reporting. SEBI’s framework for issuance of green debt securities specifies eligible categories aligned to — but not identical with — RBI’s green deposit sectors.

Climate Risk: The Stress Testing Frontier

Climate stress testing — assessing the impact of physical and transition climate risks on a bank’s portfolio — is the next frontier for Indian BFSI ESG. RBI has signalled interest in climate stress testing through discussion papers and speeches, though formal guidelines are not yet in place.

The practical challenge is significant. Climate stress testing requires: asset-level geographic data (to assess physical risk from floods, cyclones, heat stress), sector-level transition risk modelling (impact of carbon pricing, technology shifts, policy changes on borrower creditworthiness), and scenario analysis under multiple climate pathways (1.5°C, 2°C, 3°C).

Indian banks should begin building the data infrastructure for climate stress testing now — even before formal RBI guidelines. Banks that can demonstrate climate risk awareness in their BRSR disclosures and CDP responses gain credibility with international investors and rating agencies.

ESG Integration in Lending Decisions

The most mature BFSI ESG practice — and the one with the greatest systemic impact — is integrating ESG criteria into credit assessment and lending decisions. This means:

ESG screening in credit appraisal: Adding environmental and social risk assessment to the standard credit evaluation process. Does the borrower have pending environmental violations? Is the sector facing transition risk? Are there labour rights concerns? RSustain’s Lender ESDD tool provides structured environmental and social due diligence for lending decisions.

ESG-differentiated pricing: Offering lower interest rates for borrowers with strong ESG performance (sustainability-linked loans). This creates a direct financial incentive for corporate sustainability improvements.

Exclusion policies: Defining sectors or activities that the bank will not finance — new coal-fired power generation, deforestation-linked commodities, or companies with severe human rights violations. Indian banks have been cautious on exclusions, but international pressure is growing.

What Should BFSI Companies Do Now?

1. Implement the green deposit framework. If you accept deposits, ensure your board-approved financing framework is operational, allocation tracking is auditable, and annual impact reporting is published. Third-party verification is not optional.

2. Begin measuring financed emissions. Start with your largest exposures — power sector lending, fossil fuel financing, real estate portfolio. Use PCAF methodology, accepting that data quality will initially be low. The goal is to establish the measurement infrastructure and improve quality over time.

3. Strengthen BRSR reporting. BFSI BRSR disclosures require sector-specific interpretation. Invest in understanding what Principle 2 (product lifecycle) and Principle 5 (human rights) mean for financial services. RSustain Academy’s ESG for Indian Banking course addresses these sector-specific requirements.

4. Classify your green portfolio. Map your existing lending and investment portfolio against RBI green deposit sectors, SEBI green bond categories, and CBI Climate Bonds Taxonomy. You may already have a larger green portfolio than you realise. RSustain’s GreenFinance tool automates this classification.

5. Prepare for climate stress testing. Build asset-level geographic and sector data capabilities. Engage with climate risk modelling approaches (NGFS scenarios, IPCC pathways). Even informal scenario analysis strengthens your CDP and BRSR disclosures.

The financial services sector’s ESG journey is fundamentally different from manufacturing — the leverage is in the portfolio, not the operations. Banks that integrate ESG into their core business model — lending decisions, product design, risk management — will shape India’s sustainability transition more powerfully than any individual industrial company.

Frequently Asked Questions

What is the RBI Green Deposit Framework?

Effective June 2023, it requires banks, NBFCs, and HFCs to allocate green deposits exclusively to 9 eligible sustainable sectors, with board-approved frameworks, third-party verification, and annual impact reporting. RSustain’s GreenFinance tool classifies lending portfolios against eligible sectors.

What are financed emissions?

GHG emissions attributable to a bank’s lending and investment portfolio (Scope 3 Category 15). For most banks, financed emissions are 100-700x larger than operational emissions. Measured using PCAF methodology — attributed based on the bank’s share of each borrower’s total capital. Indian banks should begin measurement now to prepare for future disclosure requirements.

How does BRSR apply to banks?

BRSR applies to all listed BFSI entities in the top 1000. Sector-specific challenges: Principle 6 environmental metrics require financed emissions thinking (not just operational), Principle 2 extends to financial product impact, Principle 5 human rights extends to lending decisions. RSustain Academy’s ESG for Indian Banking course covers BFSI-specific BRSR interpretation.

What is the PSL-green finance overlap?

Partial overlap: renewable energy loans qualify under both PSL and green finance. But most PSL (agriculture, housing, education) is not green by RBI’s green deposit definition. And most green finance (green bonds, sustainability-linked loans, transition finance) falls outside PSL. Banks should track both classifications separately.

How should banks prepare for climate stress testing?

Build asset-level geographic data, sector-level transition risk modelling, and scenario analysis capability (NGFS scenarios). Start with largest portfolio exposures (power, fossil fuels, real estate). Even informal analysis strengthens CDP and BRSR disclosures before formal RBI guidelines are issued. RSustain’s Climate Governance for Corporate Boards course covers the governance foundations.