1998 elections in India
The 1998 Indian elections were a series of national and sub-national elections which took place in India throughout 1998. The national elections saw the return of the Indian National Congress to power while state results were varied.
Legislative Assembly elections
Madhya Pradesh
Source:| SN | Party | Seats Contested | Seats won | Seats Changed | % Votes |
| 1 | Indian National Congress | 316 | 172 | -2 | 40.59 |
| 2 | Bharatiya Janata Party | 320 | 119 | +2 | 39.28 |
| 3 | Bahujan Samaj Party | 221 | 11 | 0 | 6.15 |
| 4 | Janata Dal | 144 | 4 | + 3 | 1.87 |
| 5 | Samajwadi Party | 228 | 4 | + 4 | 1.58 |
| 6 | Gondvana Gantantra Party | 81 | 1 | 0 | 0.82 |
| 7 | Ajeya Bharat Party | 78 | 1 | + 1 | 0.55 |
| 8 | Janata Party | 14 | 1 | + 1 | 0.20 |
| 9 | Republican Party of India | 20 | 1 | + 1 | 0.13 |
| 10 | Independent | 320 | 8 | - 1 | 6.49 |
| Total | 320 |
Meghalaya
The UDP was formed in 1997 through a merger of the Hill People's Union, some members of the Hill State People's Democratic Party and the Public Demands Implementation Convention (PDIC). Previous results presented in the table are the combined totals of parties' results from the 1993 election.Tripura
Source:| Party | Seats contested | Seats won | No. of votes | % of votes | 1993 Seats |
| Bharatiya Janata Party | 60 | 0 | 80,272 | 5.87% | 0 |
| Communist Party of India | 2 | 1 | 18,802 | 1.38% | 0 |
| Communist Party of India (Marxist) | 55 | 38 | 621,804 | 45.49% | 44 |
| Indian National Congress | 45 | 13 | 464,171 | 33.96% | 10 |
| Janata Dal | 3 | 0 | 3,294 | 0.24% | 1 |
| Tripura Upajati Juba Samiti | 10 | 4 | 98,271 | 7.19% | 1 |
| Revolutionary Socialist Party | 2 | 2 | 22,526 | 1.65% | 2 |
| Independents | 60 | 2 | 44,940 | 3.29% | 1 |
| Total | 270 | 60 | 1,366,966 |