55. Hosur

Indian National Congress held the seat; the winning margin widened from 5.8% to 8.2%.

Boundaries were redrawn between 2006 and 2011 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 4.3% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from All India Anna Dravida Munnetra Kazhagam (AIADMK) to Desiya Murpokku Dravida Kazhagam (DMDK).
• Vote fragmentedThe top two took only 67.4% between them, down from 78.3% — the field split more ways.

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