175. Nagapattinam

Communist Party of India (Marxist) held the seat; the winning margin widened from 0.9% to 2.8%.

• Runner-up changedSecond place passed from Dravida Munnetra Kazhagam (DMK) to Indian National Congress (INC).
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 78.4% — a tighter two-way contest.

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