List of deputy chief ministers of Bihar
De facto deputy head of state government
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The Deputy Chief Minister of Bihar is the second highest-ranking member of the state's council of ministers. The current deputy chief ministers of Bihar are Bijendra Prasad Yadav and Vijay Kumar Chaudhary serving in office since 15 April 2026. The position of deputy chief minister is not explicitly defined or mentioned in the Constitution of India. However, the Supreme Court of India has stated that the appointment of deputy chief ministers is not unconstitutional. The court has clarified that a deputy chief minister, for all practical purposes, remains a minister in the council of ministers headed by the chief minister and does not draw a higher salary or perks compared to other ministers.[1]During the absence of the chief minister, the deputy-chief minister may chair cabinet meetings and lead the assembly majority. Various deputy chief ministers have also taken the oath of secrecy in line with the one that chief minister takes. This oath has also sparked controversies.[2][3]
| Deputy Chief Minister of Bihar | |
|---|---|
  | |
| Deputy Chief Ministers of Bihar | |
| Style | The Honourable (Formal) Mr. Deputy Chief Minister (Informal) |
| Abbreviation | DCM |
| Member of | |
| Reports to | |
| Residence | 208, Kautilya Nagar, MP MLA Colony, Patna |
| Nominator | Chief Minister of Bihar |
| Appointer | Governor of Bihar on the advice of the Chief Minister of Bihar |
| Term length | At the confidence of the assembly Deputy Chief minister's term is for 5 years and is subject to no term limits. |
| Inaugural holder | Anugrah Narayan Sinha |
| Formation | 2 April 1946 |
| Website | official website |
List
Deputy premiers of Bihar
Keys:
| # | Portrait | Name | Term of office | Premier | Party | |||
|---|---|---|---|---|---|---|---|---|
| 1 |  |
Anugrah Narayan Sinha | 20 July 1937 | 31 October 1939 | 2 years, 103 days | Shri Krishna Sinha | Indian National Congress | |
Deputy Chief Ministers of Bihar
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Statistics
List by deputy chief minister
| # | Deputy CM | Party | Term of office | ||
|---|---|---|---|---|---|
| Longest term | Total duration | ||||
| 1 | Anugrah Narayan Sinha | INC | 11 years, 94 days | 11 years, 94 days | |
| 2 | Sushil Kumar Modi | BJP | 7 years, 204 days | 10 years, 316 days | |
| 3 | Tejashwi Yadav | RJD | 1 year, 248 days | 3 years, 54 days | |
| 4 | Samrat Choudhary | BJP | 2 years, 77 days | 2 years, 77 days | |
| 5 | Vijay Kumar Sinha | BJP | 2 years, 77 days | 2 years, 77 days | |
| 6 | Tarkishore Prasad | BJP | 1 year, 266 days | 1 year, 266 days | |
| 7 | Renu Devi | BJP | 1 year, 266 days | 1 year, 266 days | |
| 8 | Karpoori Thakur | SOC | 329 days | 329 days | |
| 9 | Ram Jaipal Singh Yadav | INC | 220 days | 220 days | |
| 10 | Bijendra Prasad Yadav* | JD(U) | 115 days | 115 days | |
| 11 | Vijay Kumar Chaudhary* | JD(U) | 115 days | 115 days | |
| 12 | Jagdeo Prasad | SSD | 4 days | 4 days | |
Oath as the state deputy chief minister
The deputy chief minister serves five years in the office. The following is the oath of the Deputy chief minister of state:
I, <Name of Deputy Chief Minister>, do swear in the name of God/solemnly affirm that I will bear true faith and allegiance to the Constitution of India as by law established, that I will uphold the sovereignty and integrity of India, that I will faithfully and conscientiously discharge my duties as a Minister for the State of () and that I will do right to all manner of people in accordance with the Constitution and the law without fear or favour, affection or ill-will.
Oath of Secrecy
"I, [Name], do swear in the name of God / solemnly affirm that I will not directly or indirectly communicate or reveal to any person or persons any matter which shall be brought under my consideration or shall become known to me as a Minister for the State of [Name of State] except as may be required for the due discharge of my duties as such Minister."Pad ki Shapath (Oath of Office)