The Multiparty Era: State Party Systems in India since the 1990s

For the first few decades after Independence, predicting the outcome of a state election was relatively simple. The Indian National Congress dominated nearly every assembly, and the only real question was the margin of victory. That certainty collapsed in the 1990s. A wave of economic, social, and political churning shattered the old single-party order and replaced it with crowded, competitive arenas where caste-based outfits, regional forces, and national parties all jostled for power. Understanding this transformation is key to understanding how power actually works in the states today.

What changed in the 1990s 🔗

The 1990s were a genuine turning point for politics at the state level. Before this decade, most states operated under a fairly simple framework: the Congress on one side and a single major opposition party on the other. After this decade, the picture became far more fragmented, with multiple parties competing seriously for seats and forming shifting alliances to capture power.

Three developments converged to produce this shift. The first was the slow erosion of Congress dominance that had been building since the late 1980s. The 1989 general election, which followed the Bofors scandal and brought down Rajiv Gandhi’s government, marked the moment when the Congress lost its grip and coalition politics moved to the centre stage. The second was economic liberalization. The third was the politics of caste, set off by the Mandal Commission.

Economic reforms and political fragmentation 🔗

The economic reforms launched in 1991 under Prime Minister P. V. Narasimha Rao and Finance Minister Manmohan Singh reshaped more than just markets. As central planning gave way to a more market-driven economy, the levers of patronage that the Congress had long used to hold its coalition together weakened. Regional issues and identities gained prominence, and parties rooted in specific states and communities found space to grow.

The reforms also intensified competition between states. As they began competing with one another to attract investment, the gap between richer and poorer states widened, which sharpened regional grievances and gave regional parties a powerful rallying point. Politics, in other words, became more about what a state could secure for itself, and less about a single national narrative.

Mandal and the rise of caste-based parties 🔗

If liberalization loosened the old order, the Mandal Commission blew it apart. In 1990, the V. P. Singh government decided to implement the commission’s recommendation of 27 per cent reservation for Other Backward Classes in government jobs, taking total reservations to nearly half of all posts. The move triggered fierce protests but also a deep political realignment.

Mandal converted caste identity into a durable electoral resource. OBC-centric parties such as the Samajwadi Party, the Rashtriya Janata Dal, and the Janata Dal (United) consolidated backward-class voters in the Hindi heartland, and leaders like Mulayam Singh Yadav, Lalu Prasad Yadav, and Nitish Kumar rose to dominate their states. The Congress, which had stalled the report through the 1980s, lost much of its OBC base to these new formations. [Image: A timeline graphic showing key events of the 1990s – 1989 Congress defeat, 1990 Mandal Commission implementation, 1991 economic reforms – leading to the splintering of state party systems]

The splintering of the Janata Dal 🔗

No single event illustrates fragmentation better than the breakup of the Janata Dal. The party had briefly carried the hopes of the anti-Congress opposition, but it could not hold its many regional and factional units together. Through the 1990s it disintegrated into a cluster of smaller, largely regional parties, each anchored in a particular state and social base.

The list of offspring reads like a map of regional politics. The Samajwadi Party, founded by Mulayam Singh Yadav in 1992, took root in Uttar Pradesh. The Rashtriya Janata Dal, founded by Lalu Prasad Yadav in 1997, came to dominate Bihar. The Biju Janata Dal, founded by Naveen Patnaik the same year, became the principal force in Odisha. The Janata Dal (Secular) under H. D. Deve Gowda emerged in Karnataka. A national party had effectively dissolved into a set of state parties, and that, in miniature, is the story of the decade.

States that became multi-party arenas 🔗

The clearest examples of multi-party competition are found in the large states of the north and in the Dravidian south, though the dynamics differ in each.

Uttar Pradesh 🔗

India’s most populous state became the textbook case of a fragmented system. Two parties built on social-justice politics anchor the competition here. The Bahujan Samaj Party, founded by Kanshi Ram and later led by Mayawati, mobilized Dalits and other marginalized groups around the idea of capturing political power for the historically excluded. The Samajwadi Party built its base among Yadavs and Muslims, advocating a brand of backward-class social justice.

Alongside the BSP and SP, the BJP and the Congress remained in contention, and a scatter of smaller caste-based outfits added further splinters. The result was a state where no single party could take victory for granted, and where coalition arrangements and post-poll bargaining became routine features of government formation.

Bihar 🔗

Bihar followed a parallel path. The collapse of the Janata Dal produced the RJD under Lalu Prasad Yadav, whose support rested firmly among Yadavs and Muslims, and later the JD(U) under Nitish Kumar, which drew on a broader coalition of backward and most-backward castes. Add the BJP, the Congress, and the Lok Janshakti Party founded by Ram Vilas Paswan, and Bihar settled into a genuinely multi-cornered contest fought largely along caste lines and through pre-election alliances.

Tamil Nadu – a different kind of fragmentation 🔗

Tamil Nadu deserves careful treatment, because it is multi-party in appearance but bipolar in practice. The state is dominated by two Dravidian parties: the DMK, which traces its roots to the pro-Tamil and anti-caste movement led by E. V. Ramasamy, and the AIADMK, which the actor-politician M. G. Ramachandran founded in 1972 after splitting from the DMK.

Many parties exist here – the PMK, the VCK, the Congress, and the Left among them – yet they rarely contest alone. Instead, the two Dravidian giants absorb smaller parties into their alliances so that votes are consolidated rather than scattered. The contest stays a duel between a DMK-led front and an AIADMK-led front. This is the difference between fragmentation of votes and fragmentation of alliances: Tamil Nadu has plenty of parties but only two real poles of power.

States that stayed two-party 🔗

The multi-party trend was widespread but not universal. A few states resisted fragmentation and settled into stable two-party competition, which makes them useful counter-examples.

Rajasthan 🔗

Rajasthan is the cleanest case of a bipolar state. For roughly three decades it has alternated between the BJP and the Congress in almost clockwork fashion, changing government nearly every five years. Smaller parties win the odd seat, but they remain marginal to the central contest.

Several factors explain this stability. Both the BJP and the Congress have proved adept at accommodating Rajasthan’s caste and community groups within their own folds, which leaves little room for breakaway parties to carve out a separate base. Crucially, the state has not produced major splinter groups of the kind that fractured politics in Uttar Pradesh or Bihar, so the two-party equilibrium has held.

Punjab 🔗

Punjab presents a more complicated version of two-party competition. For decades the principal contest ran between the Congress and the Shiromani Akali Dal, a regional party born in 1920 out of the Gurudwara reform movement and rooted in Sikh religious and agrarian interests. The BJP played a secondary role, usually as the Akali Dal’s urban-vote ally.

Unlike Rajasthan’s neat alternation, Punjab has seen longer stretches of dominance by one side, and its politics has at times been shaped by religious identity and periods of turmoil. The basic structure, though, long remained a two-cornered fight built around the Akali Dal’s hold over Sikh farmers and the Congress’s broader, multi-community appeal. [Image: A comparative map of India highlighting multi-party states such as Uttar Pradesh and Bihar in one colour and two-party states such as Rajasthan and Punjab in another]

Why the same decade produced different systems 🔗

The puzzle is why the 1990s fragmented some states while leaving others bipolar. The answer lies largely in social structure and the supply of breakaway leaders. Where a state had a large, politically mobilizable population of backward castes and Dalits – as in Uttar Pradesh and Bihar – Mandal-era politics gave rise to multiple identity-based parties, each claiming a distinct slice of the electorate.

Where the social map was simpler or where the two main parties absorbed every emerging group, as in Rajasthan, fragmentation never took hold. Tamil Nadu shows a third route entirely: a strong, pre-existing Dravidian identity that two parties had already captured, leaving newcomers no choice but to join an existing front. Scholars have noted that this regionalization went so deep that regional and caste-based parties multiplied roughly in proportion to popular disenchantment with the Congress.

What it means for Indian democracy 🔗

The shift to multi-party systems carried real consequences for how the country is governed. The most visible was the entrenchment of coalition politics. With no single party able to command a majority on its own in many states, alliances became the normal route to power, and regional parties gained leverage far beyond their size. This strengthened federalism, since state-specific concerns now had to be bargained over rather than dictated from Delhi.

There were costs too. A crowded field can mean instability, frequent realignments, and governments held hostage by smaller partners. The deeper change, however, was about representation. The new parties brought social groups that had been largely shut out of power – Dalits, backward castes, and regional communities – into the heart of the political process, reshaping not just who votes but who governs.

What do you think? Does the fragmentation of state party systems since the 1990s represent a deepening of democracy by giving voice to long-excluded groups, or does it risk producing unstable governance that struggles to deliver? And why do you think your own state has followed the multi-party path of Uttar Pradesh and Bihar, the bipolar path of Rajasthan, or the alliance-driven model of Tamil Nadu?

References

1. https://en.wikipedia.org/wiki/Janata_Dal
2. https://www.shankariasparliament.com/current-affairs/multiparty-system-in-indias-political-landscape
3. https://en.wikipedia.org/wiki/Mandal_Commission_protests_of_1990
4. https://en.wikipedia.org/wiki/List_of_Janata_Dal_breakaway_parties
5. https://www.britannica.com/topic/Dravida-Munnetra-Kazhagam
6. https://theprint.in/politics/how-bipolar-political-landscape-allows-dmk-aiadmk-to-keep-allies-from-share-in-power-pie/2597540/
7. https://www.deccanherald.com/elections/india/cong-aims-to-foil-bjp-hat-trick-in-rajasthan-2981505
8. https://www.journalofpoliticalscience.com/uploads/archives/4-2-43-320.pdf
9. https://carnegieendowment.org/research/2019/09/the-dawn-of-indias-fourth-party-system?lang=en