Three candidates, including two independents, filed their nominations for the Ottapidaram(SC) bypolls on Thursday.
M. Subramanian of Vellore district, S. Paramasivan of Ilanthamizhar Munnani Kazhagam and resident of Deivaseyalpuram, and P. Mariappan of Srivaikundam filed their nominations.
In total, five candidates have filed their nominations so far.