4. Bobbili

Indian National Congress held the seat; the winning margin widened from 22.7% to 69.0%.

• New challengerSwatantra Party (SWA) finished second with 15.5% — it did not contest here in 1967.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 65.9% — a tighter two-way contest.
• TurnoutTurnout fell 16.3% to 51.8%.

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