Chennai, Nov 22: Ruling party candidates in Tamil Nadu and Puducherry lead the races in the four assembly constituencies where counting began on Tuesday.

Polls were held in three assembly constituencies in Tamil Nadu – Thirupparankundram, Aravakkurichi and Thanjavur- and Nellithope constituency in Puducherry on November 19.

 According to Election Commission in Thanjavur constituency AIADMK is in the lead after two rounds of counting.As per reports, AIADMK candidates are ahead in counting in thirupparankundram and Aravakkurihchi seats with an established lead to their credit. 

In Puducherry, Chief Minister V. Narayanasamy has established lead over his nearest AIADMK rival.

 In Aravakkurichi, ruling AIADMK's V. Senthil Balaji is up against DMK's K. C. Palanisamy while at Thirupparankundram the AIADMK's A. K. Bose is facing DMK's P. Saravanan.

In Thanjavur, the AIADMK's M. Rengasamy is pitted against the DMK's Anjugam Bhoopathy.

 In Thirupparankundram, the by-election has been necessitated by the death of AIADMK's legislator S. S. Seenivel.

 While there are other parties in the fray, the contest is mainly between the AIADMK and the DMK in Tamil Nadu. In Puducherry's Nellithope, Congress leader Narayanasamy is contesting against AIADMK nominee Om Shakthi Segar.