| Portfolio | Minister | Took office | Left office | Party |
Remarks |
Prime Minister Minister of Personnel, Public Grievances and Pensions Department of Atomic Energy Department of Space Planning Commission And also in-charge of all other important portfolios and policy issues not allocated to any Minister. | | 22 May 2004 | 22 May 2009 | | INC | |
| Minister of Defence | | 23 May 2004 | 24 October 2006 | | INC | |
| 24 October 2006 | 22 May 2009 | | INC | |
| Minister of Human Resource Development | | 23 May 2004 | 22 May 2009 | | INC | |
Minister of Agriculture Ministry of Food and Civil Supplies, Consumer Affairs and Public Distribution | | 23 May 2004 | 22 May 2009 | | NCP | |
| Minister of Railways | | 23 May 2004 | 22 May 2009 | | RJD | |
| Minister of Home Affairs | | 23 May 2004 | 30 November 2008 | | INC | |
| 30 November 2008 | 22 May 2009 | | INC | |
Ministry of Chemicals and Fertilizers Minister of Steel | | 23 May 2004 | 22 May 2009 | | LJP | |
| Minister of Parliamentary Affairs | | 23 May 2004 | 1 November 2005 | | INC | |
| 1 November 2005 | 6 April 2008 | | INC | |
| 6 April 2008 | 22 May 2009 | | INC | |
| Minister of Urban Development | | 23 May 2004 | 1 November 2005 | | INC | |
| 1 November 2005 | 18 November 2005 | | INC | Prime Minister-in-charge; Additional charge. |
| 18 November 2005 | 22 May 2009 | | INC | |
| Minister of Information and Broadcasting | | 23 May 2004 | 18 November 2005 | | INC | |
| 18 November 2005 | 11 November 2008 | | INC | |
| 11 November 2008 | 22 May 2009 | | INC | Prime Minister-in-charge; Additional charge. |
| Minister of Culture | | 23 May 2004 | 29 January 2006 | | INC | |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Labour and Employment | | 23 May 2004 | 27 November 2004 | | INC | |
| 27 November 2004 | 24 August 2006 | | BRS | |
| 24 August 2006 | 24 October 2006 | | INC | Prime Minister-in-charge. Additional charge. |
| 24 October 2006 | 3 March 2009 | | INC | Minister of State (I/C) was responsible. |
| 3 March 2009 | 22 May 2009 | | INC | Minister of State (I/C) was responsible. Additional charge. |
| Minister of Finance | | 23 May 2004 | 30 November 2008 | | INC | |
| 30 November 2008 | 24 January 2009 | | INC | Prime Minister-in-charge; Additional charge. |
| 24 January 2009 | 22 May 2009 | | INC | Additional charge. |
| Minister of Small Scale, Agro and Rural Industries | | 23 May 2004 | 22 May 2009 | | INC | Merged as Ministry of Micro, Small and Medium Enterprises. |
| Minister of Micro, Small and Medium Enterprises | | 23 May 2004 | 22 May 2009 | | INC | |
| Ministry of Tribal Affairs | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of Development of North Eastern Region | | 23 May 2004 | 24 October 2006 | | INC | |
| 24 October 2006 | 22 May 2009 | | INC | |
| Minister of Road Transport and Highways | | 23 May 2004 | 22 May 2009 | | DMK | |
| Minister of Textiles | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of External Affairs | | 23 May 2004 | 7 November 2005 | | INC | |
| 7 November 2005 | 24 October 2006 | | INC | Prime Minister-in-charge; Additional charge. |
| 24 October 2006 | 22 May 2009 | | INC | |
| Minister of Commerce and Industry | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of Law and Justice | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of Power | | 23 May 2004 | 19 December 2005 | | INC | Died in office. |
| 19 November 2005 | 29 January 2006 | | INC | Prime Minister-in-charge; Additional charge. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Rural Development | | 23 May 2004 | 22 May 2009 | | RJD | |
| Minister of Water Resources | | 23 May 2004 | 18 November 2005 | | INC | |
| 18 November 2005 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Petroleum and Natural Gas | | 23 May 2004 | 29 January 2006 | | INC | |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Panchayati Raj | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of Youth Affairs and Sports | | 23 May 2004 | 25 May 2005 | | INC | Died in office. |
| 25 May 2005 | 18 November 2005 | | INC | Prime Minister-in-charge; Additional charge. |
| 18 November 2005 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 6 April 2008 | | INC | |
| 6 April 2008 | 22 May 2009 | | INC | Minister of State (I/C) was responsible. |
| Minister of Social Justice and Empowerment | | 23 May 2004 | 22 May 2009 | | INC | |
| Minister of Shipping | | 23 May 2004 | 25 May 2004 | | BRS | |
| 25 May 2004 | 2 September 2004 | | DMK | Merged with Ministry of Road Transport and Highways. |
| Minister of Coal | | 23 May 2004 | 24 July 2004 | | JMM | |
| 24 July 2004 | 27 November 2004 | | INC | Prime Minister-in-charge; Additional charge. |
| 27 November 2004 | 2 March 2005 | | JMM | |
| 2 March 2005 | 29 January 2006 | | INC | Prime Minister-in-charge; Additional charge. |
| 29 January 2006 | 29 November 2006 | | JMM | |
| 29 November 2006 | 22 May 2009 | | INC | Prime Minister-in-charge; Additional charge. |
| Minister of Mines and Minerals | | 23 May 2004 | 24 July 2004 | | JMM | |
| 24 July 2004 | 27 November 2004 | | INC | Prime Minister-in-charge; Additional charge. The Ministry of Mines and Minerals was renamed as Ministry of Mines. |
| Minister of Mines | | 27 November 2004 | 22 May 2009 | | INC | |
| Minister of Environment and Forests | | 23 May 2004 | 15 May 2007 | | DMK | |
| 15 May 2007 | 22 May 2009 | | INC | Prime Minister-in-charge; Additional charge. |
| Minister of Communications and Information Technology | | 23 May 2004 | 22 May 2009 | | DMK | |
| 15 May 2007 | 22 May 2009 | | DMK | |
| Minister of Health and Family Welfare | | 23 May 2004 | 29 March 2009 | | PMK | |
| 29 March 2009 | 22 May 2009 | | INC | Minister of State (I/C) was responsible. |
| Minister of Heavy Industries and Public Enterprises | | 23 May 2004 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of State (Independent Charge) of Non-Resident Indian Affairs | | 23 May 2004 | 9 September 2004 | | INC | MoS (I/C) was responsible. Renamed as Ministry of Overseas Indian Affairs. |
| Minister of Overseas Indian Affairs | | 9 September 2004 | 10 August 2005 | | INC | MoS (I/C) was responsible. |
| 10 August 2005 | 18 November 2005 | | INC | Prime Minister-in-charge; Additional charge. |
| 18 November 2005 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Tourism | | 23 May 2004 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Science and Technology | | 23 May 2004 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 22 May 2009 | | INC | |
| Minister of Ocean Development | | 23 May 2004 | 29 January 2006 | | INC | Minister of State (I/C) was responsible. |
| 29 January 2006 | 12 July 2006 | | INC | Renamed as Ministry of Earth Sciences. |
| Minister of Earth Sciences | | 12 July 2006 | 22 May 2009 | | INC | |
| Minister of Company Affairs | | 23 May 2004 | 29 January 2006 | | RJD | Minister of State (I/C) was responsible. |
| 29 January 2006 | 9 May 2007 | | RJD | Renamed as Ministry of Corporate Affairs. |
| Minister of Corporate Affairs | | 9 May 2007 | 22 May 2009 | | RJD | |
| Minister of Minority Affairs | | 29 January 2006 | 22 May 2009 | | INC | |
| Minister without portfolio | | 25 May 2004 | 27 November 2004 | | BRS | |
| 7 November 2005 | 7 December 2005 | | INC | |
| 11 November 2008 | 22 May 2009 | | INC | |