40. Rohtak

Bharatiya Jana Sangh held the seat; the winning margin narrowed from 12.0% to 0.2%.

• Won on a lower shareIts own vote share fell 7.2% — it held because the rest of the vote was more divided.
• Knife-edgeDecided by 66 votes (0.18%) — among the closest results anywhere.

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