Voting concluded on Tuesday for six bypolls across Tamil Nadu, West Bengal, Puducherry and Assam, with counting scheduled for October 9. Five Assembly seats and one Lok Sabha seat went to the polls. Tamil Nadu's Madurantakam recorded the highest turnout at 86.26 per cent, according to Election Commission data. Dharapuram in Tamil Nadu saw 80.30 per cent polling, while West Bengal's Nandigram and Rejinagar recorded 80.89 and 80.07 per cent respectively. Puducherry's Thattanchavady polled 80.81 per cent, and Assam's Nagaon Lok Sabha seat saw 76.20 per cent turnout. The Dharapuram and Madurantakam seats fell vacant after AIADMK MLAs resigned and joined actor Vijay's Tamilaga Vettri Kazhagam. Nandigram went vacant after Chief Minister Suvendu Adhikari won two seats and retained Bhabanipur. In Rejinagar, AJUP chief Humayun Kabir was detained by police from his party office while polling was under way. Assam's Nagaon saw a three-way fight between the BJP, Congress and AIUDF among 19.07 lakh voters. Results on October 9 will offer the first electoral signal since the May Assembly elections.