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Abuse of dominant position and the relevant market

Competition Law · Unit III · Topic 10 of 18 · 7 min read

Section 4 in three steps: define the relevant product and geographic market under sections 2(r) to (t) and 19(5) to (7), assess dominance under the section 19(4) factors, and identify an abuse from the section 4(2) list, with predatory pricing, the effects-based approach in Schott Glass, Coal India, DLF and Google Android, and a worked problem.

On this page
  1. 1. Step one: the relevant market
  2. 2. Step two: dominance
  3. 3. Step three: the abuses in section 4(2)
  4. 4. The cases
  5. 5. Problem
  6. How this is examined
Cases checked to exist. Read the judgment before quoting a holding.

Every case cited here has been checked to exist — the citation resolves and names the right parties. The propositions attributed to each case have not been verified line by line against the judgment. Case names link through to the full judgment: read it before quoting a holding in an examination answer, and never carry a proposition from notes into court on trust.

The examinable core. Every section 4 answer has three steps, in this order: (1) relevant market, (2) dominance in that market, (3) abuse. Skip the first and the rest collapses, because a firm is only dominant in a market. Dominance is lawful; section 4(1) prohibits its abuse. The Supreme Court confirmed in 2025 (Schott Glass) that abuse is judged by its effect on competition.

1. Step one: the relevant market

The relevant market is the market determined by the Commission with reference to the relevant product market, the relevant geographic market, or both (section 2(r); section 19(5)).

The relevant product market (section 2(t), as substituted in 2023) comprises all products or services (i) regarded as interchangeable or substitutable by the consumer by reason of characteristics, prices and intended use, or (ii) regarded as interchangeable by the supplier, by reason of the ease of switching production in the short term without significant additional cost or risk in response to small and permanent changes in relative prices. The second limb, supply-side substitution, is new.

Section 19(7) lists the factors: physical characteristics or end-use of goods or nature of services; price; consumer preferences; exclusion of in-house production; existence of specialised producers; classification of industrial products; and, since 2023, costs of switching demand or supply to other goods or services, and categories of customers.

The relevant geographic market (section 2(s)) is the area in which the conditions of competition for supply or demand are distinctly homogeneous and can be distinguished from neighbouring areas. Section 19(6) factors: regulatory trade barriers, local specification requirements, national procurement policies, adequate distribution facilities, transport costs, language, consumer preferences, need for secure or regular supplies or rapid after-sales service, and since 2023 characteristics of goods or nature of services and costs of switching supply or demand to other areas.

The economist’s tool behind these words is the SSNIP test (small but significant non-transitory increase in price, usually 5 to 10 per cent): would a hypothetical monopolist of the candidate products in the candidate area profitably raise price? If customers would switch enough to make it unprofitable, the market is wider.

2. Step two: dominance

“Dominant position” means a position of strength enjoyed by an enterprise in the relevant market in India which enables it to (i) operate independently of competitive forces prevailing in the relevant market, or (ii) affect its competitors or consumers or the relevant market in its favour (Explanation (a) to section 4). The test is economic strength, not a market-share number. The Commission must have regard to the section 19(4) factors:

Section 4 applies to an enterprise or a group (Explanation (c)). Public sector undertakings are covered: in Coal India Ltd. v. Competition Commission of India, 2023 INSC 580, the Supreme Court rejected the argument that Coal India, a government company created after nationalisation and pursuing the common good, was outside the Act.

3. Step three: the abuses in section 4(2)

Predatory price (Explanation (b)) is sale below cost, as determined by regulations, with a view to reducing competition or eliminating competitors. The elements: dominance, price below the relevant cost measure, and the anti-competitive aim. Recoupment of losses later is evidence but not a statutory element.

4. The cases

Two traps. First, a high market share is a factor, not a conclusion: section 19(4) requires all relevant factors, including countervailing buyer power. Second, “meeting the competition” is a defence only to section 4(2)(a); it does not excuse denial of market access or tying.

5. Problem

A cement company with 55 per cent of sales in a northern State, where transport costs make cement from other regions uneconomic, cuts its price below its average variable cost in two districts where a new local plant has opened, while keeping prices high elsewhere. The new plant complains. Advise.

Issue. Whether the company holds a dominant position and has abused it by predatory or discriminatory pricing under section 4(2)(a)(ii).

Law. Relevant market under sections 2(r) to (t) and 19(6), (7); dominance under Explanation (a) and section 19(4); predatory price under Explanation (b); the effects-based approach in Schott Glass.

Application. Product market: cement (no close substitute for construction). Geographic market: the State, given transport costs and distinct conditions of competition (section 19(6)(e)). A 55 per cent share with large capacity, against a new small entrant, points to dominance. Pricing below average variable cost only where the entrant sells, with high prices elsewhere, shows both a below-cost price and the aim of eliminating a competitor; it is also discriminatory. It is not “meeting the competition”, since the entrant’s prices are not below the company’s cost. The likely effect is exclusion of the new plant and higher prices once it exits.

Conclusion. A prima facie case of abuse under section 4(2)(a)(ii) and (i) exists. The complainant should file information under section 19(1)(a) and may seek interim relief under section 33. On a finding of abuse, the CCI may order discontinuance and impose a penalty up to 10 per cent of average turnover (section 27), and in an extreme case direct division under section 28.

How this is examined

January 2026: “Explain abuse of dominant position and discuss the inquiry powers of Competition Commission” (Unit IV) and a note on predatory pricing (Unit III). The first is answered from sections 1 to 4 here plus sections 19 and 26 to 28 from the CCI powers note. Always write the three steps as headings.

Now try the real questions: Competition Law past question papers.