Janata Dal (United): the Bihar party built on mergers and alliance switches

Overview

Janata Dal (United) — JD(U) — is a centre-left Indian political party based mainly in Bihar and Jharkhand, formed on 30 October 2003 when the Sharad Yadav faction of the Janata Dal merged with the Samata Party and the Lokshakti Party (Times of India). Led by Nitish Kumar as party president, it has governed Bihar in alliance with the Bharatiya Janata Party (BJP) for most of its life — and has switched sides four times in a decade, most recently leaving the Mahagathbandhan and the INDIA bloc in January 2024 to rejoin the BJP-led National Democratic Alliance (NDA) (The Indian Express; The New Indian Express).

The party’s origin is a socialist split: George Fernandes and Nitish Kumar launched the Samata Party in 1994 after parting ways with the Janata Dal, and Fernandes later merged the Samata Party into JD(U) in 2003 (The Hindu). The Election Commission recognises JD(U) as a state party only in Bihar, where its reserved symbol is the arrow (The Indian Express).

From merger to power in Bihar

JD(U)‘s first breakthrough came with the BJP as its partner: together they defeated the RJD-led United Progressive Alliance (UPA) government in Bihar in November 2005, and Nitish Kumar became chief minister (Times of India). The alliance then dominated the state: in the 2010 Assembly election JD(U) won 115 seats and the BJP 91, and in the 2005 and 2010 polls together the pairing comfortably crossed the 122-seat majority mark in the 243-seat Assembly (Times of India; The Indian Express).

The first rupture came in 2013, when Nitish Kumar severed ties with the BJP over Narendra Modi becoming the NDA’s prime ministerial face for 2014, saying the alliance should have a leader with a “clean and secular image” and calling for a “Sangh-mukt Bharat” (The Indian Express). The cost of going it alone was immediate: in the 2014 Lok Sabha election, among the few times JD(U) contested independently, it won just 2 seats while the NDA won 31 of Bihar’s 40 (The Indian Express).

A decade of switches, 2015–2024

Ahead of the November 2015 Assembly election, Nitish Kumar joined his former rival Lalu Prasad Yadav’s Rashtriya Janata Dal (RJD) and the Congress to form the Mahagathbandhan (Grand Alliance), which won 178 seats; Nitish returned as chief minister with Tejashwi Yadav, Lalu’s son, as his deputy (The Indian Express). That partnership lasted under two years: in mid-2017, after Central Bureau of Investigation (CBI) raids at Lalu’s premises in an alleged IRCTC scam in which Tejashwi was named as an accused, Nitish demanded that his deputy explain himself publicly and expected him to resign; when Tejashwi refused, Nitish returned to the NDA and formed a government with the BJP, with Sushil Kumar Modi as his deputy (The Indian Express).

The pattern then repeated twice more. In August 2022 Nitish quit the NDA, accusing the BJP of trying to “split” his JD(U), and formed a Mahagathbandhan government with the RJD, Congress and three Left parties (The New Indian Express). Then on 28 January 2024 he resigned as chief minister, saying things were “not working well” for him in the Mahagathbandhan and the INDIA bloc, and staked claim to form a new government with the BJP — the party he had dumped less than 18 months earlier (The New Indian Express). The BJP’s state unit unanimously accepted a proposal to support JD(U) and form an NDA government, naming Samrat Choudhary and Vijay Kumar Sinha as its legislature-party leader and deputy leader (The New Indian Express).

The 2017 symbol dispute: who “is” the party?

The 2017 switch produced a legal test of what JD(U) actually is. Rebel leader Sharad Yadav claimed the party; the Election Commission recognised the Nitish Kumar-led grouping instead, finding it had “demonstrated overwhelming support” in the legislature wing as well as a majority in the national council, the party’s apex organisational forum (The Indian Express). The Nitish faction was therefore entitled to use the reserved arrow symbol as a recognised state party in Bihar, while the Yadav faction — headed by Chhotubhai Vasava — argued that Nitish had betrayed the public mandate by going with the BJP after winning the Bihar election in an alliance opposed to the BJP, and also challenged Nitish’s own election as party president (The Indian Express). The ruling matters beyond one dispute: it shows that in India’s system a party’s identity, name and symbol can be decided by an Election Commission count of legislators and councillors, not by whoever holds the founding story.

Why alliances decide JD(U)‘s fate: the vote-seat record

JD(U)‘s electoral record is a study in alliance dependence. Alone in 2014 it won 2 Lok Sabha seats; allied with the BJP in 2019 it won 16 of the 17 seats it contested, with the NDA taking 39 of Bihar’s 40 (The Indian Express). In the 2020 Assembly election the NDA won 125 seats — but JD(U) itself won only 43 against the BJP’s 74, while the RJD took 75 — yet Nitish Kumar stayed chief minister (The Indian Express). That 2020 result is the citation-magnet fact of this profile: JD(U) kept the top job with fewer than a third of the alliance’s seats, which implies its leverage comes from being the indispensable hinge between blocs, not from its own vote base.

Election	JD(U) result	Alliance outcome
Lok Sabha 2014 (largely solo)	2 seats	NDA 31 of Bihar’s 40
Lok Sabha 2019 (with BJP)	16 of 17 contested	NDA 39 of 40; Congress sole opposition winner (1)
Bihar Assembly 2020 (NDA)	43 seats (BJP 74, RJD 75)	NDA 125 of 243; opposition 110
Lok Sabha 2024 (NDA)	12 seats (BJP 12)	NDA 30; opposition 9; one Independent

(The table distills The Indian Express’s account of JD(U)‘s alliance record (The Indian Express).)

Frequently asked questions

When was Janata Dal (United) formed? JD(U) was formed on 30 October 2003 with the merger of the Sharad Yadav faction of the Janata Dal, the Lokshakti Party and the Samata Party led by George Fernandes and Nitish Kumar. Its roots go back to the Samata Party, which Fernandes and Kumar had launched in 1994 after leaving the Janata Dal.

What is JD(U)‘s election symbol? JD(U)‘s reserved symbol is the arrow, which it holds as a recognised state party in Bihar. In 2017 the Election Commission confirmed that the Nitish Kumar-led faction was entitled to use the arrow after rejecting a rival claim by Sharad Yadav’s faction.

Why does Nitish Kumar keep switching alliances? The sources record stated reasons, not a single motive: the 2013 break was over Narendra Modi’s elevation, the 2017 return to the NDA followed a corruption case naming his deputy Tejashwi Yadav, the 2022 exit accused the BJP of trying to split JD(U), and the 2024 return cited things “not working well” in the Mahagathbandhan and INDIA bloc.

How strong is JD(U) on its own? Weak without an ally: it won just 2 Lok Sabha seats contesting largely alone in 2014, but 16 of 17 contested in alliance with the BJP in 2019. In 2020 it won 43 Assembly seats against the BJP’s 74 yet kept the chief ministership, showing its power is as a hinge between blocs.

Is JD(U) a national party? No — at least as of the sources read for this profile. The Election Commission recognises it as a state party only in Bihar, which means its arrow symbol is free in other states, though its candidates can stake a claim to it there.

Timeline

• 1994 — George Fernandes and Nitish Kumar launch the Samata Party after parting with the Janata Dal (The Hindu).
• 2003 — On 30 October, the Samata Party merges with the Sharad Yadav faction of the Janata Dal and the Lokshakti Party to form JD(U) (Times of India).
• 2005 — JD(U) with the BJP defeats the RJD-led UPA government in Bihar in November; Nitish Kumar becomes chief minister (Times of India).
• 2010 — JD(U) wins 115 Assembly seats, the BJP 91 (Times of India).
• 2013 — JD(U) breaks with the BJP over Modi becoming the NDA’s prime ministerial face (The Indian Express).
• 2014 — Contesting largely alone, JD(U) wins 2 Lok Sabha seats; NDA wins 31 of 40 in Bihar (The Indian Express).
• 2015 — The Mahagathbandhan wins 178 of 243 Assembly seats; Nitish returns as CM with Tejashwi Yadav as deputy (The Indian Express).
• 2017 — Nitish leaves the Mahagathbandhan, rejoins the NDA, sworn in 27 July with Sushil Modi deputy; EC recognises his faction and awards the arrow (The Indian Express).
• 2019 — JD(U) wins 16 of 17 Lok Sabha seats contested; NDA takes 39 of 40 in Bihar (The Indian Express).
• 2020 — NDA wins 125 Assembly seats; JD(U) 43, BJP 74, RJD 75; Nitish stays CM (The Indian Express).
• 2022 — In August Nitish quits the NDA and forms a Mahagathbandhan government with RJD, Congress and Left parties (The New Indian Express).
• 2024 — On 28 January Nitish resigns, leaves the Mahagathbandhan and INDIA bloc, and forms a new government with the BJP; JD(U) and BJP win 12 Lok Sabha seats each (The New Indian Express; The Indian Express).

What this profile does not claim

• It does not assert Nitish Kumar’s pre-2005 record as chief minister; one source calls 2005 his first ascent, but that was not verified in this pass.
• It does not claim the 2015 Janata Parivar announcement became a single registered party; it is described as an announced alliance.
• It does not assert JD(U)‘s ideology beyond the “centre-left” label; fuller ideological claims were not confirmed from a fully-read source.
• It does not give seat figures after January 2024, a headquarters address, or a current office-bearer list beyond the president — none were confirmed from a fully-read source.
• It does not assign a single motive to Nitish Kumar’s alliance switches; it reports the reasons stated at each switch.
• It does not treat the “Jungle Raj” charge quoted by BJP leaders in January 2024 as an established fact; it is a partisan characterisation, reported as such where relevant.

Sources

• Times of India — janata dal united (tier1; formation, 2005/2010/2015/2017 milestones)
• The Indian Express — Nitish’s flip-flops: How returning to NDA fold has paid off for JD(U) (tier1; alliance record 2005–2024, election tallies)
• The Indian Express — Nitish Kumar back with BJP: A timeline of JD(U) supremo’s U-turns since 2013 (tier1; 2013–2024 switch timeline, IRCTC case trigger, 2022 government composition)
• The Indian Express — Election Commission recognises Nitish Kumar-led group as JD(U), gives it party symbol (tier1; 2017 EC symbol ruling, state-party status, rival claim)
• The Hindu — George Fernandes death: Two-day mourning in Bihar (tier1; Samata Party founding 1994, 2003 merger)
• The New Indian Express — Nitish Kumar resigns, says things ‘did not work well’ for him in ‘Mahagathbandhan’, INDIA alliance (tier1; 28 January 2024 resignation and return to NDA, Assembly strengths)