The first phase of the Lok Sabha elections in Tamil Nadu witnessed a voter turnout of 69.72% across all 39 constituencies, with the main competition being between the INDIA alliance led by DMK, the AIADMK-led alliance, and the BJP-led NDA. The AIADMK alliance includes AIADMK contesting 32 seats and DMDK contesting 5 seats, while the NDA comprises BJP contesting 19 seats and PMK contesting 10 seats. Other parties contesting in all 39 constituencies include NTK and BSP.