However, the All-India NR Congress, floated by former chief minister N Rangaswamy, and his ally AIADMK were leading in five and two constituencies respectively. Rangaswamy himself was ahead in Kadirgamam.
Vaithilingam won from Kamaraj Nagar, newly-created constituency in delimitation, defeating his nearest CPI rival N Kalainathan while Valsraj trounced CPI-M rival T K Gangadharan in Mahe, an enclave of the Union Territory in Kerala. Both won by a margin of over 6,000 votes.
Congress candidates were leading in two constituencies as per trends available at 10.30am.