A change of control and a delisting are two of the most consequential things that can happen to a listed company, and historically they happened in sequence — first the open offer under the Takeover Code, then, months later, a fresh delisting effort under the Delisting Regulations. Regulation 5A of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 collapses that sequence into a single window: an acquirer may declare, in the very same public announcement that triggers the open offer, that it ultimately intends to take the company private. This chapter explains the delisting-offer overlay — how the two prices coexist, what the 90% (now 75%) threshold does, why a competing offer kills the delisting leg, and how the December 2021 and September 2024 reforms reshaped a mechanism that the failed Vedanta delisting had exposed as broken.
A note on the numbering: Regulation 5A, not Regulation 21
Students should fix one source of confusion at the outset. The delisting-offer overlay inside the Takeover Code lives at Regulation 5A of the SEBI (SAST) Regulations, 2011 — headed "Delisting offer". Regulation 21 of the SAST Regulations itself is a different, unrelated provision dealing with payment of consideration to tendering shareholders. The number "21" that genuinely matters to delisting is Regulation 21 of the SEBI (Delisting of Equity Shares) Regulations, 2021, which sets the shareholding threshold a successful reverse book building must cross. The overlay is therefore best understood as a bridge: Regulation 5A of the Takeover Code reaches across to the Delisting Regulations and borrows their machinery — their threshold, their pricing, their failure consequences — while bolting on Takeover-Code-specific safeguards. Throughout this chapter, when we speak of the "delisting overlay" we mean the Regulation 5A route; we flag the cross-references to the Delisting Regulations expressly. For the foundational vocabulary of "acquirer", "open offer" and "public announcement", see Definitions.
The problem the overlay was built to solve
Before Regulation 5A, an acquirer who wanted both control and a delisting faced a structurally hostile sequence. Acquiring 25% or more, or control, triggered a mandatory open offer under the Code (see Trigger for Open Offer). If the open offer succeeded, the acquirer often crossed the maximum permissible non-public shareholding — the 75% ceiling fixed by Rule 19A of the Securities Contracts (Regulation) Rules, 1957 and the minimum public shareholding norm. The acquirer then had to first bring its stake back down to 75% to restore minimum public shareholding, and only then launch a separate delisting under the Delisting Regulations within twelve months. Commentators called this the "yo-yo" model — acquire above the ceiling, sell down at a loss, then buy back to delist.
The economic absurdity is obvious: an acquirer determined to take the company private was forced to first sell shares (frequently at a discount) only to reacquire them weeks later through reverse book building, paying transaction costs and market-impact costs twice. Regulation 5A was introduced by the SEBI (SAST) (Amendment) Regulations, 2015 precisely to let an acquirer signal the delisting intent up front and avoid the round trip. But the 2015 version still cross-referred to a reverse-book-building process that, as the market would discover, could be defeated by a determined minority — a flaw the post-Vedanta reforms of 2021 and 2024 set out to cure.
The trigger and the eligibility gate
Regulation 5A(1) opens the route: where an acquirer makes a public announcement of an open offer for acquiring shares, voting rights or control of a target company under Regulations 3, 4 or 5, it may seek the delisting of the company by making a delisting offer, provided it has declared the intention to delist at the time of the public announcement and again in the detailed public statement. The declaration must come up front; an acquirer cannot run an ordinary open offer and later, opportunistically, convert it into a delisting drive. For an indirect acquisition (see Indirect Acquisition), the 2021 amendment sensibly allows the intent to be declared for the first time in the detailed public statement, because an indirect acquirer often cannot make a clean delisting commitment at the initial announcement stage.
There is also an eligibility gate. The acquirer must not have been a promoter or member of the promoter group, or a person in control of the target, during the preceding period, nor may it be acquiring joint control with the existing promoters. The overlay is meant for genuine change-of-control acquirers taking a company private, not for incumbent promoters dressing up a creeping consolidation (contrast the annual headroom analysed in Creeping Acquisition) as a delisting.
Two prices, one offer: the open-offer price and the indicative price
The defining feature of the overlay is that a single offer document carries two prices. Regulation 5A(2) requires the public announcement, the detailed public statement and the letter of offer to disclose both: (a) the open offer price, computed under Regulation 8 on the usual look-back and negotiated-price parameters; and (b) an indicative price for the delisting, supported by a stated rationale, which cannot be less than the open offer price and must comply with the Delisting Regulations. The acquirer may revise the indicative price upwards before the tendering period begins, but not downwards — a one-way ratchet protecting shareholders.
Why two prices? Because the outcome of the offer is contingent. Shareholders tender once, but what they are paid depends on whether the delisting succeeds. If the response is large enough to take the company private, every tendering shareholder receives the higher indicative price. If it falls short, the offer does not collapse — it converts into an ordinary successful open offer and tendering shareholders receive the open offer price. The shareholder thus faces a single decision with a built-in floor: at worst the Regulation 8 price, at best the delisting premium.
The threshold that decides everything
The hinge of the whole mechanism is the delisting threshold borrowed from Regulation 21 of the SEBI (Delisting of Equity Shares) Regulations, 2021. Under the reverse book building (RBB) route, a delisting is successful only if the post-offer shareholding of the acquirer and persons acting in concert reaches the prescribed level — historically 90% of the total issued shares. If, after the open-offer-cum-delisting tendering, the acquirer crosses 90%, the company is delisted and everyone who tendered gets the indicative price. If the acquirer stops short of 90%, the delisting fails as a matter of law.
This 90% gate is what made the early overlay fragile. Because the discovered price in an RBB is set by the bids that take the acquirer past the threshold, a minority holding just over 10% could sit out or quote outlandish prices and either block the delisting outright or extract a punishing exit price. That is exactly what undid the Vedanta Limited delisting attempt in 2020: the promoters secured roughly 125 crore shares against a requirement near 134 crore, the offer was deemed to have failed in terms of Regulation 19(1) of the then Delisting Regulations, 2009, and the company remained listed. SEBI later examined the episode for price volatility and a large block of "unconfirmed bids". Vedanta became the case study that drove the next round of reform.
The 2021 Third Amendment: a true single window
The SEBI (SAST) (Third Amendment) Regulations, 2021 (Notification No. SEBI/LAD-NRO/GN/2021/60, dated 6 December 2021) rewrote Regulation 5A to deliver a genuine single-window outcome. The amended provision spelled out the contingent-payment architecture — indicative price on success, open offer price on failure — within the four corners of the Takeover Code, so that the result of one tendering process settles both questions at once. Crucially, it removed the old compulsion to first restore minimum public shareholding and only then re-attempt delisting.
Under the amended Regulation 5A, if the delisting fails — whether because shareholders did not approve the special resolution, the stock exchange did not grant in-principle approval, or the threshold under Regulation 21 of the Delisting Regulations was not met — the acquirer must announce the failure within two working days in the same newspapers in which the detailed public statement appeared, and then complete the open offer in the ordinary way at the open offer price. The acquirer that still finds itself above the maximum permissible non-public shareholding is given a window of twelve months to make a second delisting attempt, instead of being forced to sell down immediately. The floor for that second attempt is the highest of the original indicative price, the prevailing regulatory floor price, and the book value — a formula that prevents the acquirer from coming back cheaper after the first failure.
Why a competing offer kills the delisting leg
Regulation 5A also resolves a structural clash with the competing-offer regime. If a competing offer is made under Regulation 20(1) of the Code — a rival acquirer entering within fifteen working days of the first acquirer's detailed public statement — the first acquirer can no longer proceed with the delisting. The logic is sound: a delisting presupposes that one acquirer is consolidating the company toward private ownership, whereas a competing offer reopens the contest for control and necessarily keeps the company in play. Allowing a delisting to run while a rival bid is live would prejudice both the rival and the public shareholders, who are entitled to a genuine auction for control.
The amendment also relieves the first acquirer of interest liability for the delay caused by the competing offer, recognising that the holdup is regulatory rather than the acquirer's fault. The interaction with the broader competing-offer machinery — revisions, the level playing field, and the schedule of activities — is part of the wider open-offer framework introduced in Trigger for Open Offer. The takeaway for the overlay is binary: a valid Regulation 20(1) competing offer extinguishes the delisting option, and the first acquirer is thrown back onto the ordinary open offer.
Shareholder protections baked into the overlay
The overlay is built around protecting the exiting public shareholder, who bears the risk of a contingent outcome. Three safeguards stand out. First, the price floor: a tendering shareholder can never receive less than the Regulation 8 open offer price, so even a failed delisting leaves them no worse off than under an ordinary open offer. Second, the upside lock: if the delisting succeeds, the same tendering shareholder is paid the higher indicative price, capturing the take-private premium without having to tender twice. Third, a withdrawal right: where the delisting fails and is announced as such, shareholders who had tendered are given a short window — five working days from the failure announcement — to withdraw their tendered shares, so that nobody is locked into a transaction whose central premise (delisting) has evaporated.
These protections answer the recurring criticism that combined offers blur the shareholder's decision. By disclosing both prices up front in the public announcement and detailed public statement, and by guaranteeing the floor, the overlay turns what could be an opaque two-stage gamble into a single, transparent tender with a known worst case.
There is a deeper fairness point. In a stand-alone delisting, public shareholders surrender their continued participation in a company that may later prosper privately; the law compensates that loss with reverse-book-building price discovery. The overlay preserves that compensation by pegging the success price to a disclosed indicative figure that cannot undercut the open offer price, while denying the acquirer the ability to lower it once tendering opens. SEBI's insistence on a reasoned rationale for the indicative price is the mechanism by which the regulator polices against a take-private executed on the cheap, and it is why the indicative price, not the open offer price, is usually the negotiated heart of an overlay transaction.
The 2024 reforms: fixed price and the 75% counter-offer
The September 2024 overhaul of the Delisting Regulations — SEBI (Delisting of Equity Shares) (Amendment) Regulations, 2024, notified on 25 September 2024 — reverberates through the Regulation 5A overlay because the overlay borrows the Delisting Regulations wholesale. Two changes matter most.
First, SEBI introduced a fixed-price route as an alternative to reverse book building for companies whose shares are frequently traded. Under it the acquirer offers a single delisting price that must be at least 15% above the floor price computed under the Delisting Regulations. This sidesteps the price-discovery uncertainty that had let minorities hijack RBB outcomes. Second, for the RBB route SEBI created a counter-offer mechanism with a reduced 75% threshold: where the post-offer holding of the acquirer and PACs would cross 75% (rather than the old 90%), and at least 50% of the public shareholding has been tendered, the acquirer may make a counter-offer at a price that is the higher of the volume-weighted average price of shares tendered during the RBB and any indicative price. The reform directly targets the Vedanta pathology — a small, organised minority defeating an otherwise broadly accepted delisting — by lowering the bar and giving the acquirer a structured response to inflated bids.
Interaction with minimum public shareholding and the SCRR
The overlay cannot be read in isolation from the minimum public shareholding (MPS) framework. Rule 19A of the Securities Contracts (Regulation) Rules, 1957 requires a listed company to maintain at least 25% public shareholding; an acquirer who crosses 75% through an open offer is in breach unless it either cures the breach or completes a delisting. Regulation 5A's elegance is that it lets the acquirer aim straight for delisting rather than first curing the MPS breach and then re-attempting. But where the delisting fails, the MPS obligation snaps back: the acquirer must, within the prescribed period, bring public shareholding back to 25% — by selling down or by other SEBI-recognised methods — failing which the company and its promoters face enforcement.
This is why the 25%-versus-75% arithmetic recurs throughout the Code. The same 25% number that triggers a mandatory open offer at the acquisition end (analysed in Substantial Acquisition: The 25% Threshold) reappears, inverted, as the minimum public float the acquirer must restore if it ends up above the ceiling but fails to delist. The overlay simply offers a cleaner exit from that bind for acquirers whose real objective was always to go private.
A worked example
Suppose Acquirer A negotiates to buy the 55% promoter stake in Listco, a frequently traded company, at Rs 400 per share, triggering a mandatory open offer for a further 26%. A wants to take Listco private. In its public announcement A declares the delisting intent and discloses two prices: an open offer price of Rs 400 (the Regulation 8 figure) and an indicative delisting price of Rs 460. Public shareholders tender into the combined offer.
Scenario one — A's post-offer holding reaches the delisting threshold: Listco is delisted and every tendering shareholder is paid Rs 460. Scenario two — A reaches only, say, 82%, short of the threshold: the delisting is announced as failed within two working days, the open offer completes at Rs 400, tendering shareholders receive Rs 400 (with a five-working-day right to withdraw after the failure announcement), and A — now above 75% — must either restore MPS or, using the twelve-month window, mount a second delisting attempt at a floor no lower than the highest of Rs 460, the current regulatory floor price, and book value. Scenario three — a rival, Acquirer B, lodges a competing offer under Regulation 20(1): A's delisting leg is extinguished, A is freed of interest liability for the resulting delay, and the matter proceeds as a contested open offer. The single example captures the overlay's three exits — success, failure-to-open-offer, and competing-offer abandonment.
Notice how the contingency shapes A's funding. Because A may have to pay Rs 460 rather than Rs 400 on every tendered share, A must size its escrow and certain-funds confirmation to the delisting scenario, not the open offer scenario. A real-world illustration is the 2022 open offer by Blackstone for R Systems International, structured as a Regulation 5A delisting overlay; the acquisition closed but the delisting leg did not reach the threshold, so the transaction settled as an ordinary open offer — a reminder that crossing the control threshold and crossing the delisting threshold are two different feats.
Drafting and disclosure discipline
For practitioners, the overlay is unforgiving on disclosure timing. The delisting intent and the indicative price must appear in the public announcement and the detailed public statement; an omission at that stage cannot be cured later, and the acquirer is then confined to an ordinary open offer. The letter of offer must reproduce both prices and explain, in plain terms, the contingent outcome so that a retail shareholder understands what tendering means in each scenario. The rationale for the indicative price must be genuine and defensible — SEBI scrutinises whether it reflects the value being extracted by taking the company private, not merely a token premium over the open offer price.
Escrow and consideration mechanics still flow from the Code's general provisions: the acquirer must fund the escrow account before the detailed public statement under Regulation 17 and pay consideration within the timelines fixed by Regulation 18 and Regulation 21 of the SAST Regulations. Because the payable amount can be the higher indicative price, prudent acquirers size the escrow to the delisting scenario, not merely the open offer. The full hub chapter list, including the evolution of these obligations from the 1997 Code, sits at the SEBI Takeover Code hub and is traced in Introduction and Evolution from the 1997 Regulations.
Exam pointers and common traps
Examiners love the overlay because it forces candidates to integrate two regulatory codes. Anticipate the disambiguation trap first: a question that asks about "Regulation 21" may be testing whether you know that the 90% delisting threshold lives in Regulation 21 of the Delisting Regulations, 2021, while the delisting overlay in the Takeover Code is Regulation 5A, and Regulation 21 of the SAST deals with payment of consideration. Second, be precise that the indicative price cannot be lower than the open offer price and is a one-way upward ratchet. Third, remember the binary effect of a Regulation 20(1) competing offer — it extinguishes the delisting, full stop. Fourth, know the failure cascade: announce within two working days, complete the open offer at the open offer price, grant the five-working-day withdrawal right, and either restore MPS or use the twelve-month window for a second attempt at the highest-of-three floor. Finally, place the reforms on a timeline — 2015 introduction, the 6 December 2021 Third Amendment delivering the single window, and the 25 September 2024 Delisting amendment adding the fixed-price route and the 75% counter-offer threshold.
Frequently asked questions
Is the delisting overlay in Regulation 21 or Regulation 5A of the SEBI Takeover Code?
It is in Regulation 5A of the SEBI (SAST) Regulations, 2011, headed "Delisting offer". Regulation 21 of the SAST Regulations deals with payment of consideration. The number 21 is relevant only as Regulation 21 of the SEBI (Delisting of Equity Shares) Regulations, 2021, which fixes the shareholding threshold a reverse-book-building delisting must cross.
Why does an open-offer-cum-delisting carry two different prices?
Because the payout is contingent. Regulation 5A(2) requires disclosure of both an open offer price (computed under Regulation 8) and a higher indicative delisting price. If the delisting succeeds, tendering shareholders receive the indicative price; if it fails, the offer converts into an ordinary open offer and they receive the open offer price. The open offer price thus acts as a guaranteed floor.
What threshold must a delisting under the overlay meet?
Under the reverse book building route the acquirer's post-offer holding had to reach 90% (Regulation 21 of the Delisting Regulations). The 2024 amendment introduced a counter-offer mechanism at a reduced 75% threshold where at least 50% of public shareholding is tendered, and a fixed-price route priced at least 15% above the floor price for frequently traded shares.
What happens to the delisting if a competing offer is made?
It is extinguished. Where a competing offer is made under Regulation 20(1), the first acquirer can no longer proceed with the delisting and must fall back on the ordinary open offer. The acquirer is also relieved of interest liability for the delay caused by the competing offer, since the holdup is regulatory rather than its own fault.
What did the failed Vedanta delisting demonstrate?
The 2020 Vedanta Limited attempt failed because the promoters fell short of the shares needed to cross the 90% threshold, and the offer was deemed to have failed under Regulation 19(1) of the then Delisting Regulations, 2009. It exposed how a small organised minority could defeat a broadly accepted delisting through reverse book building, and drove the 2021 and 2024 reforms.
If the delisting fails, must the acquirer immediately restore minimum public shareholding?
Not immediately. After the 2021 Third Amendment, the acquirer announces the failure within two working days, completes the open offer at the open offer price, and — if still above the 75% ceiling — has a twelve-month window to make a second delisting attempt before being required to restore minimum public shareholding. The second-attempt floor is the highest of the original indicative price, the current regulatory floor price, and book value.