By-elections in Tamil Nadu will test Chief Minister C Joseph Vijay's new government. The TVK government faces coalition friction and aggressive opposition in these crucial polls. Securing both seats is vital for the TVK to consolidate its legislative strength. The Election Commission has announced polling for Madurantakam and Dharapuram constituencies.

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

The October 6 by-poll in Tamil Nadu tests the three-month-old TVK government's electoral strength amid coalition challenges and opposition pressure.