| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5-Rinchenpong-Sikkim | GEN | Sikkim | Chong Lamu Bhutia | Sikkim Sangram Parishad | 6495 | 4295 | 66.10% | 1903 | 44.30% | 1989 |
| 2 | 6-Daramdin-Sikkim | GEN | Sikkim | Padam Bahadur Gurung | Sikkim Sangram Parishad | 7033 | 4965 | 70.60% | 2788 | 56.20% | 1989 |
| 3 | 12-Melli-Sikkim | GEN | Sikkim | Dilliram Basnet | Sikkim Sangram Parishad | 6402 | 4646 | 72.60% | 2773 | 59.70% | 1989 |
| 4 | 19-Rhenock -Sikkim | GEN | Sikkim | Kharananda Uprety | Sikkim Sangram Parishad | 5072 | 3984 | 78.50% | 1024 | 25.70% | 1989 |
| 5 | 27-Gangtok-Sikkim | GEN | Sikkim | Manita Pradhan | Sikkim Sangram Parishad | 9109 | 6222 | 68.30% | 921 | 14.80% | 1989 |
| 6 | 30-Djongu-Sikkim | GEN | Sikkim | Sonam Chhyoda Lepcha | Sikkim Sangram Parishad | 4102 | 3265 | 79.60% | 1512 | 46.30% | 1989 |
| 7 | 32-Sangha-Sikkim | GEN | Sikkim | Nanjha Gyaltsen | Sikkim Sangram Parishad | 3216 | 1540 | 47.90% | 384 | 24.90% | 1989 |
| 8 | 33-Barmiok-Sikkim | GEN | Sikkim | Bir Bal Subba | Sikkim Sangram Parishad | 5492 | 3960 | 72.10% | 1623 | 41.00% | 1989 |
| 9 | 34-Central Pendam-East Pendam-Sikkim | GEN | Sikkim | Sukumar Pradhan | Sikkim Sangram Parishad | 7426 | 5772 | 77.70% | 1351 | 23.40% | 1989 |
| 10 | 35-Chakung-Sikkim | GEN | Sikkim | Tara Man Rai | Sikkim Sangram Parishad | 6755 | 4750 | 70.30% | 3254 | 68.50% | 1989 |