| 1 | A | B | C | D | E | F | G | H |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | List of Chief Ministers of Delhi - List of Chief Ministers of Delhi |  |  |  |  |  |  |  |
| 3 | No | Name (constituency) | Portrait | Term (tenure length) | Party | Party | Tenure | Assembly (Election) |
| 4 | 1 | Chaudhary Brahm Prakash (Nangloi) | - | 17 March 1952 – 12 February 1955 (2 years, 332 days) | Indian National Congress | - | 1062 days | Interim Assembly (1952–56) (1952 election) |
| 5 | 2 | Gurmukh Nihal Singh (Darya Ganj) | – | 12 February 1955 – 1 November 1956 (1 year, 263 days) | Indian National Congress | - | 628 days | Interim Assembly (1952–56) (1952 election) |
| 6 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 | Office abolished, 1956–93 |
| 7 | 3 | Madan Lal Khurana (Moti Nagar) | - | 2 December 1993 – 26 February 1996 (2 years, 86 days) | Bharatiya Janata Party | - | 816 days | First Assembly (1993–98) (1993 election) |
| 8 | 4 | Sahib Singh Verma (Shalimar Bagh) | - | 26 February 1996 – 12 October 1998 (2 years, 228 days) | Bharatiya Janata Party | - | 959 days | First Assembly (1993–98) (1993 election) |
| 9 | 5 | Sushma Swaraj | - | 12 October 1998 – 3 December 1998 (52 days) | Bharatiya Janata Party | - | 52 days | First Assembly (1993–98) (1993 election) |
| 10 | 6 | Sheila Dikshit (New Delhi) | - | 3 December 1998 – 1 December 2003 (4 years, 363 days) | Indian National Congress | - | 5504 days | Second Assembly (1998–2003) (1998 election) |
| 11 | 6 | Sheila Dikshit (New Delhi) | - | 1 December 2003 – 29 October 2008 (4 years, 333 days) | Indian National Congress | - | 5504 days | Third Assembly (2003-08) (2003 election) |
| 12 | 6 | Sheila Dikshit (New Delhi) | - | 29 October 2008 – 28 December 2013 (5 years, 60 days) | Indian National Congress | - | 5504 days | Fourth Assembly (2008–13) (2008 election) |
| 13 | 7 | Arvind Kejriwal (New Delhi) | - | 28 December 2013 – 14 February 2014 (48 days) | Aam Aadmi Party | - | 48 days | Fifth Assembly (2013-15) (2013 election) |
| 14 | – | President's rule | - | 14 February 2014 – 14 February 2015 (1 year, 0 days) | N/A | - | 365 days | Fifth Assembly (2013-15) (2013 election) |
| 15 | (7) | Arvind Kejriwal (New Delhi) | - | 14 February 2015 – present (4 years, 75 days) | Aam Aadmi Party | - | 1536 days (1584 days) | Sixth Assembly (2015–20) (2015 election) |

Question: Who was the longest serving Chief Minister of Delhi, and what years did he serve?
Answer: Sheila Dikshit was the longest serving Chief Minister of Delhi from 1998 to 2013.