| 1947–1964 | INC | Jawaharlal Nehru | Shown inside the broad early Congress-led era band.[5] |
| 1964–1966 | INC | Lal Bahadur Shastri | Included inside the broad early Congress-led era band.[5] |
| 1966–1977 | INC | Indira Gandhi | Shown as the later part of the early Congress-led era before the first non-Congress change.[5] |
| 1977–1979 | Janata Party | Morarji Desai | Included in the Janata / coalition era band.[5] |
| 1979–1980 | Janata Party (Secular) | Charan Singh | Included in the Janata / coalition era band.[5] |
| 1980–1984 | INC | Indira Gandhi | Grouped under the broad Congress-led era before 1989.[5] |
| 1984–1989 | INC | Rajiv Gandhi | Grouped under the broad Congress-led era before 1989.[5] |
| 1989–1990 | Janata Dal | V. P. Singh | Included in the late-1980s / 1990s coalition period.[5] |
| 1990–1991 | Samajwadi Janata Party | Chandra Shekhar | Included in the late-1980s / 1990s coalition period.[5] |
| 1991–1996 | INC | P. V. Narasimha Rao | Included in the 1990s pre-NDA transition period.[5] |
| 1996–1997 | Janata Dal / United Front | H. D. Deve Gowda | Included in the coalition period before NDA consolidation.[5] |
| 1997–1998 | Janata Dal / United Front | I. K. Gujral | Included in the coalition period before NDA consolidation.[5] |
| 1998–2004 | BJP-led NDA | Atal Bihari Vajpayee | Shown as the dedicated NDA band before UPA rule.[5] |
| 2004–2014 | INC-led UPA | Manmohan Singh | Shown as the dedicated UPA band before the 2014 change.[5] |
| 2014–2026 | BJP-led NDA | Narendra Modi | Shown as the rightmost NDA band through the current period and up to the 2026 axis end.[5] |