Regulators
The mandate is assured, not assumed.
SEBI’s BRSR Core moves reporting from self-declared to independently assured — band by band, on the schedule above.
Why now
The clock is already running.
The clock is already running.
The advantage is still open.
Lenders and DFIs pricing E&S risk into capital, IFC & Equator conditions on every deal, CSRD reaching into Indian supply chains, and BRSR-Core assurance at home — the requirements are arriving on a fixed schedule. The companies that build defensible evidence before the deadline set their own terms. The ones that wait inherit someone else’s.
The regulatory clock
The schedule is already published. Only your readiness is optional.
SEBI’s reasonable-assurance duty on the BRSR Core arrives on a widening glide path. Every financial year pulls a larger band of listed companies into independent assurance — the threshold is moving toward you, not away.
Schedule per SEBI’s BRSR-Core reasonable-assurance glide path
FY 2023–24
Top 150
listed, by market cap
Reasonable assurance of the BRSR Core becomes mandatory for the first band.
~150 companies
FY 2024–25
Top 250
listed, by market cap
The net widens; value-chain ESG disclosure begins on a comply-or-explain basis.
~250 companies
FY 2025–26
Top 500
listed, by market cap
Assured disclosure becomes the mid-market norm — and a lender and buyer expectation.
~500 companies
This financial year
FY 2026–27
Top 1000
listed, by market cap
The duty reaches its full width. By now, readiness is a track record — not a project.
~1000 companies
The four forces
Pressure is arriving from four directions at once.
This was never a single deadline. Regulators, capital, global buyers and the market are converging on the same expectation — a disclosure you can prove, not just publish.
Regulators
Capital & lenders
Capital is repricing ESG risk.
Lenders and investors now read sustainability data as a credit and valuation signal. Numbers no one has assured get discounted.
Global value chains
Global buyers are asking first.
CSRD and IFRS S2 reach through multinational supply chains into their Indian suppliers’ data — often ahead of the local deadline.
Reputation
Trust now runs on evidence.
Stakeholders reward a claim they can check and penalise one they can’t. Reputation compounds on proof, not intent.
The cost of waiting
Readiness is cheapest before it’s required.
The work doesn’t shrink if you delay it — it compresses. The same disclosure, built under deadline, costs more, proves less, and arrives after the advantage is already taken.
If you wait for the deadline
The scramble.
- Assurance capacity is booked — you queue behind everyone on the same deadline.
- Data gathered in a rush gets restated — publicly, and at cost.
- Capital and buyers apply the unassured discount to numbers no one has checked.
If you move now
The head start.
- You set the timeline — assurance on your schedule, not the queue’s.
- A clean, multi-year trail compounds into credibility you can show.
- You become the credible option before your peers are ready.
Bring us your deadline.
Two questions scope your proposal — and your specification builds live on the right. Then a specialist responds; a real person, not a form receipt.
STEP 01 / 03 · SCOPE
Which describes you?
Top 500 listed companyASSURANCE FY25-26
Top 1,000 listed companyASSURANCE FY26-27
Supplier or mid-market in a value chainCASCADE
STEP 02 / 03 · TIMING
When is your filing?
This financial year (FY26-27)IMMINENT
Next financial year (FY27-28)PLANNING
Exploring — no fixed date yetEARLY
STEP 03 / 03 · REQUEST
Your specification is ready.
Everything on the right goes to your specialist. Send it and we’ll respond with the scoped method.
✓
Request received.
A Teravora specialist will respond within two minutes during business hours — with the method, scoped to your answers.
◇ ASSURANCE SPECIFICATION
PROFILE— select —
FILING—
STANDARDBRSR-Core · 49 KPIs / 9 attributes
Reasonable assurance scope, mapped to your profile.
Regulatory specification: SEBI BRSR-Core standard.