As many as 20 candidates filed their nominations for the by-election to the Aravakurichi Assembly constituency here on Friday.
While a majority of them were Independents, candidates representing Desiya Uzhavar Uzhaipavar Kazhagam, Oozhal Ozhippu Seyalakka Katchi, Tamil Nadu Ilaignar Katchi and Uzhaipali Makkal Katchi also filed their papers.
So far 41 candidates have filed their nominations.