60. Jammu Cantonment

Indian National Congress held the seat; the winning margin narrowed from 29.3% to 0.9%.

Boundaries were redrawn between 1967 and 1977 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 26.0% — it held because the rest of the vote was more divided.
• New challengerJanata Party (JNP) finished second with 27.7% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 56.3% between them, down from 79.9% — the field split more ways.

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