131. Andipatti

Swatantra Party held the seat; the winning margin narrowed from 9.7% to 7.2%.

• Won on a lower shareIts own vote share fell 18.5% — it held because the rest of the vote was more divided.
• New challengerFBL (FBL) finished second with 29.2% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 65.5% between them, down from 100.0% — the field split more ways.

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