Election
Constituency

29. Siwan

Community mirror

Bihar Assembly Election, 1977

BR-SIWAN

JNP 39.5%won by 14.6%INC 24.9%

What changed here

Derived

The seat changed hands: Bharatiya Jana Sangh (BJS) lost it to Janata Party (JNP), which now leads by 14.6%.

Boundaries were redrawn between 1972 and 1977 — the comparison is matched by name and is indicative only.

  • JNP vote shareJNP went from 0.0% to 39.5% of the vote here (+39.5%).
  • Vote fragmentedThe top two took only 64.5% between them, down from 78.5% — the field split more ways.

Written from the constituency figures by a fixed set of rules — no language model.

Electorate
not in source
Turnout
not in source
Valid votes
55,615
Margin
8,112
14.59%

Since 1972

Derived

Constituency boundaries were redrawn between 1972 and 1977. Matched by name — treat this comparison as indicative only.

Winner then
BJS
Winner now
JNPflipped
JNPINC swing
+50.3%
JNP share
0.0% 39.5%
INC share
35.7% 24.9%
Turnout