Sitting DMK MP Dayanidhi Maran and debutant state BJP chief K Annamalai on Wednesday, 27 March, filed their nominations for the Lok Sabha polls from Chennai Central and Coimbatore constituencies in Tamil Nadu. Sitting MP, former chief minister and Congress PCC president from Puducherry, V Vaithilingam, also filed his nomination. He is the candidate from the Puducherry constituency.