| Name Of Party | 1979 | 1985 | 1989 | 1994 | 1999 | 2004 | 2009 |
| SIKKIM CONGRESS (R)(SCR) | 11 | ||||||
| SIKKIM JANTA PARISHAD(SJP) | 16 | ||||||
| SIKKIM PRAJATANTRA CONGRESS(SPC) | 4 | 0 | |||||
| SIKKIM SANGRAM PARISHAD(SSP) | 30 | 32 | 10 | 7 | 0 | ||
| INDIAN NATIONAL CONGRESS(INC) | 1 | 0 | 2 | 0 | 1 | 0 | |
| SIKKIM DEMOCRATIC FRONT(SDF) | 19 | 24 | 31 | 32 | |||
| INDEPENDENT | 1 | 1 | 0 | 1 | 1 | 0 | 0 |
| OTHERS | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| TOTAL | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
