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Folio №022 · Ratios & Business Leverage

Share Buybacks

Why a company spending thousands of crores of its own cash to buy its own shares doesn't record a single rupee of 'expense' for it — and how it can still boost every remaining shareholder's stake in the business without them buying anything.

beginnerSection 68, Companies Act 2013 (SEBI Buyback Regulations)IAS 32ASC 505 (US GAAP)Updated August 2026

In plain English

Imagine a company has ₹10,000 crore of surplus cash, more than it currently needs to run or grow the business. It can reinvest that cash, pay it out as dividends, or use it to buy back its own shares from existing shareholders. A buyback might sound, at first, like the company is 'spending' money and should show a loss for it — but it isn't an expense at all. Buying back your own shares isn't a purchase of an asset or a cost of doing business; it's a return of capital to shareholders, functionally similar to a dividend, just structured differently — and it gets a genuinely distinct accounting treatment because of that.

Words you'll need first

Extinguishment of Shares

When a company buys back its own shares, those shares are typically cancelled ('extinguished') rather than kept and resold later — they simply cease to exist. This permanently reduces the total number of shares outstanding, which is the entire mechanism behind why a buyback boosts metrics like Earnings Per Share: the same total profit is now divided among fewer remaining shares.

Capital Redemption Reserve

When shares are bought back and cancelled, Indian company law requires the company to transfer an amount equal to the nominal (face) value of the cancelled shares into a separate reserve called the Capital Redemption Reserve, funded out of free reserves or securities premium. This is a technical, statutory equity-to-equity transfer designed to preserve the company's overall capital base on paper, even though the actual shares — and the cash used to buy them — have left the company.

A worked example, with numbers

A company has ₹1,000 crore of net profit, 100 crore shares outstanding (Basic EPS = ₹10.00), and uses ₹2,000 crore of surplus cash to buy back 10 crore shares at ₹200 each.
ItemBefore buybackAfter buyback
Net profit₹1,000 crore₹1,000 crore (unchanged)
Shares outstanding100 crore90 crore
Cash & investments₹10,000 crore₹8,000 crore
Earnings Per Share₹10.00₹11.11
  • Net profit doesn't change at all — the ₹2,000 crore spent is NOT an expense; it's a reduction of cash and, on the other side, a reduction of shareholders' equity.
  • With 10 crore fewer shares outstanding, the exact same ₹1,000 crore of profit is now divided among 90 crore shares instead of 100 crore — EPS rises from ₹10.00 to ₹11.11, an 11% boost, purely from the reduced share count.
  • Every shareholder who DIDN'T sell shares back to the company now owns a slightly LARGER percentage of a slightly smaller company — their proportional claim on future profits has genuinely increased, even though they didn't buy anything themselves.
  • This is fundamentally different from a company simply holding cash and doing nothing with it: that ₹2,000 crore has now left the company for good, benefiting both the shareholders who sold and the shareholders who stayed.

What it does to the financial statements

Impact on the P&L

  • A share buyback has NO direct impact on the P&L at all — no expense, no gain, no loss is recorded for the transaction itself, since it's a transaction between the company and its own shareholders in their capacity as owners.
  • The company does lose the FUTURE investment income it might otherwise have earned on the cash used — an opportunity cost that shows up gradually, in slightly lower future 'other income', rather than as an immediate charge.
  • Because it doesn't touch net profit but does reduce the share count, a buyback mechanically improves EPS and often Return on Equity too — companies with limited reinvestment opportunities sometimes use buybacks specifically to support these headline metrics.
  • Unlike a dividend, which is taxed in the hands of the recipient shareholder, a buyback in India is subject to a company-level buyback tax, which changes the relative tax efficiency of buybacks versus dividends depending on prevailing tax rules.

Impact on the Balance Sheet

  • Cash reduces by the amount spent, and Shareholders' Equity reduces by a corresponding amount — a buyback shrinks BOTH sides of the balance sheet together, unlike a dividend which only reduces equity while cash reduces on payment.
  • The nominal value of the cancelled shares is transferred from free reserves into the Capital Redemption Reserve, a purely internal, statutory reshuffling within equity that doesn't change total equity, just how it's labelled.
  • Because equity shrinks while total debt typically doesn't change, a large buyback mechanically increases a company's Debt-to-Equity ratio and reduces its book value per share — a rising Debt/Equity ratio doesn't always signal new borrowing.
  • A company that funds a buyback partly with NEW borrowing, rather than existing surplus cash, is taking on genuine additional financial leverage (see Financial Leverage) purely to return capital to shareholders — a materially different, riskier situation than a cash-rich company buying back shares out of its own reserves.

Which standard covers this

In India, share buybacks are governed by Section 68 of the Companies Act, 2013, together with SEBI's (Buy-Back of Securities) Regulations for listed companies. The core accounting treatment — reducing equity and cash, with no P&L impact — follows from the general Ind AS framework for transactions with owners in their capacity as owners, rather than from a single dedicated 'buyback' accounting standard.

How it's recognised globally

Globally, the same core principle applies almost universally: a buyback is a transaction with owners, not the P&L, under IAS 32 internationally, and under ASC 505 in the US. What genuinely differs across markets is the SURROUNDING regulatory and tax framework, not the core accounting: US companies commonly hold repurchased shares as 'Treasury Stock' on the balance sheet rather than always formally cancelling them, giving American companies more flexibility to reissue those shares later — a practice less common under the Indian framework, where cancellation of bought-back shares is generally mandated. Tax treatment also differs significantly by jurisdiction — India introduced a company-level buyback tax in recent years that materially changed the relative attractiveness of buybacks versus dividends for Indian companies, a policy lever worth checking against current rules rather than assuming a fixed treatment.

Real example — Indian listed company

Tata Consultancy Services (TCS)

TCS is one of the most consistent and closely watched users of share buybacks among large Indian companies, reflecting its position as a highly cash-generative IT services business with limited need for large-scale reinvestment relative to the cash it throws off every year. TCS conducted a buyback of up to ₹18,000 crore at ₹4,500 per share in 2022, followed by a further buyback of up to ₹17,000 crore at ₹4,150 per share in late 2023 — together returning tens of thousands of crores of rupees to shareholders over just a couple of years, entirely outside the P&L, exactly as this article describes. Each of these buybacks reduced TCS's outstanding share count, mechanically supporting its reported EPS and Return on Equity even in years when underlying profit growth was more modest — a genuinely instructive real-world case of the capital allocation trade-off this article's worked example illustrates with simplified numbers.

Where you'll see this

IT Services (large cash-generative companies)FMCGAny mature, cash-generative listed companyPharma
Share BuybackTreasury SharesCapital ReductionEPSCapital Allocation