| Year | A C No. | Constituency Name | Category | Winner | Gender | Party | Vote | Runner Up | Gender | Party | Vote |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 143 | Diamond Harbour | GEN | Dipak Kumar Halder | M | AITC | 87645 | Subhra Sau | F | CPM | 66871 |
| 2006 | 119 | Diamond Harbour | GEN | Rishi Halder | M | CPI(M) | 64005 | Subhashis Chakraborty | M | AITC | 58789 |
| 2001 | 119 | Diamond Harbour | GEN | Rishi Haldar | M | CPM | 50648 | Amjad Ali Sardar | M | AITC | 47906 |
| 1996 | 119 | Diamond Harbour | GEN | Sheikh Daulat Ali | M | INC | 61744 | Abdul Quiyom Molla | M | CPM | 55643 |
| 1991 | 119 | Diamond Harbour | GEN | Abdul Quiyom Molla | M | CPM | 50804 | Nazrul Islam Molla | M | INC | 31774 |
| 1987 | 119 | Diamond Harbour | GEN | Abdul Quiyom Molla | M | CPM | 46868 | Monoranjan Kayal | M | INC | 30922 |
| 1982 | 119 | Diamond Harbour | GEN | Abdul Quiyam Molla | M | CPM | 48069 | Dibakar Ghosh | M | INC | 27807 |
| 1977 | 119 | Diamond Harbour | GEN | Abdul Quiyom Molla | M | CPM | 36584 | Sankari Prasad Mondal | M | JNP | 19241 |
| 1972 | 110 | Diamond Harbour | GEN | Daulat Ali Sheikh | M | INC | 35457 | Abdul Quiyom Molla | M | CPM | 26861 |
| 1971 | 110 | Diamond Harbour | GEN | Abdul Quiyom Molla | M | CPM | 30054 | Daulat Ali Seikh | M | INC | 27150 |
| 1969 | 110 | Diamond Harbour | GEN | Abdul Quiyom Molla | M | CPM | 32094 | Sankari Prasad Mondal | M | INC | 21654 |
| 1967 | 110 | Diamond Harbour | GEN | A.Q.Molla | M | CPM | 22765 | J.Haldar | M | BAC | 20613 |
| 1962 | 98 | Diamond Harbour | GEN | Jagdish Chandra Halder | M | INC | 17031 | Ashraf Mondal | M | IND | 10565 |
| 1957 | 162 | Diamond Harbour | GEN | Ramanuj Haider | M | PSP | 15171 | Jagadish Chandra Haider | M | INC | 11175 |
| 1952 | By Polls | Diamond Harbour | (SC) | J.C. Haldar | M | INC | 17573 | N. Chowdhury | M | COM | 8609 |
| 1951 | 156 | Diamond Harbour | (SC) | Charu Chandra Bhandari | M | KMPP | 12391 | Harendra Nath Mandal | M | INC | 6043 |