Constituency
517. Diamond Harbour
Community mirrorWest Bengal · India Lok Sabha Election, 1977
IN-DIAMOND-HARBOUR
CPM 70.6%won by 41.2%INC 29.4%
What changed here
DerivedCommunist Party of India (Marxist) held the seat; the winning margin widened from 19.1% to 41.2%.
Boundaries were redrawn between 1971 and 1977 — the comparison is matched by name and is indicative only.
- Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 87.6% — a tighter two-way contest.
- TurnoutTurnout fell 5.1% to 62.4%.
Written from the constituency figures by a fixed set of rules — no language model.
Electorate
6,08,458
Turnout
62.4%
Valid votes
3,79,376
Margin
1,56,404
41.23%
Candidates
2 contested · winner CPM- 1JYOTIRMOY BASUCommunist Party of India (Marxist) · CPM2,67,89070.6%
- 2BIREN MAHANTIIndian National Congress · INC1,11,48629.4%
Since 1971
DerivedConstituency boundaries were redrawn between 1971 and 1977. Matched by name — treat this comparison as indicative only.
- Winner then
- CPM
- Winner now
- CPM
- CPM–INC swing
- +22.1%
- CPM share
- 53.4% → 70.6%
- INC share
- 34.3% → 29.4%
- Turnout
- 67.5% → 62.4%