DMK's participation in Tamil Nadu bypolls creates a competitive three-corner contest with AIADMK and ruling TVK.

Bypolls for Madurantakam and Dharapuram raise questions about AIADMK MLAs' candidacy under TVK amid coalition shifts.

AIADMK to contest Madurantakam and Dharapuram bypolls following resignations due to "horse trading," says Edappadi K. Palaniswami.