SEBI orders index providers to register

Index providers are the plumbing of passive investing. Most people never think about them. But SEBI just decided they matter enough to regulate directly when their benchmarks get big enough. That is the real story here — not just one more circular, but a shift in how India’s market watchdog treats the firms behind the numbers that trillions of rupees now follow. ### What did SEBI actually do? On May 5, SEBI said any provider running a “significant index” has to apply for registration under the SEBI (Index Providers) Regulations, 2024 within six months. The rule applies to indices based on listed securities that are used in the Indian securities market. SEBI also published the first list of indices that meet the test right now. What counts as a “significant index”? The threshold is pretty specific. An index becomes significant if the daily average cumulative assets under management tied to it across mutual fund schemes exceeds ₹20,000 crore for each of the past six months. SEBI will check that twice a year — using periods ending June 30 and December 31. Why? Because that is where the real dependency shows up. If a benchmark has a lot of fund money tracking or benchmarking it, then small choices in index construction stop being technical details and start affecting a huge pile of investor capital. Basically, SEBI is saying size creates systemic importance. Once enough savings are tied to an index, the provider behind it cannot stay lightly supervised. ### Which benchmarks are in the frame? The first batch includes the obvious heavyweights — Sensex, Nifty 50, Nifty 500, and BSE 500 — plus other sectoral, debt, and hybrid indices. The providers named in coverage include NSE Indices Ltd, BSE Index Services Pvt Ltd, and CRISIL. So this is not a niche cleanup exercise. It reaches straight into the benchmarks that anchor India’s passive fund ecosystem. ### Does an index fall out quickly if assets drop? No — and that is an important design choice. Once an index gets onto the significant list, it stays there unless the tracked or benchmarked AUM stays below the threshold for three continuous years, which means six straight half-yearly reviews. That makes the regime sticky. SEBI is avoiding a system where indices jump in and out of regulation every few months. ### Are there carve-outs? Yes. SEBI said the registration requirement does not apply where all of an index provider’s significant indices are already notified by the RBI as significant benchmarks or classified by the RBI as authorized benchmarks under the RBI Act framework. So there is an overlap rule here — SEBI is not trying to duplicate RBI supervision where that already exists. ### What changes for index providers now? The practical burden is governance. Registration brings expectations around methodology, disclosure, controls, and accountability. Existing providers can keep operating during the transition if they file in time. And if a company is already registered with SEBI in some other capacity but also offers index services, it will need a separate legal entity within two years for the index business. ### Why does this matter beyond compliance? Because index investing has changed the role of benchmarks. They are no longer just scoreboards. They are product engines. A tweak in inclusion rules, rebalancing, liquidity filters, or governance can move fund flows at scale — a bit like changing the tracks after the train has already filled up with passengers. SEBI’s move is an admission that benchmark administration is now core market infrastructure. ### Bottom line? SEBI is drawing a line between small indices and market-moving ones. Once a benchmark carries enough mutual fund money, the firm running it now has to be regulated like a serious piece of financial infrastructure.