2. Parvathipuram

Indian National Congress held the seat; the winning margin widened from 0.4% to 17.6%.

• New challengerSwatantra Party (SWA) finished second with 41.2% — it did not contest here in 1957.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 50.8% — a tighter two-way contest.
• TurnoutTurnout fell 6.6% to 53.2%.

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