The Election Commission has released the Assembly constituencies for the newly divided districts in Tamil Nadu. Accordingly, there are 7 Assembly constituencies in Chengalpattu district: Cholinganallur, Pallavaram, Tambaram, Chengalpattu, Thiruporur, Seiyur and Madurantakam.

Kanchipuram District: There are 4 constituencies namely Alandur, Sriperumbudur, Uthiramerur and Kanchipuram. Tirupati District: Vaniyambadi, Ambur, Jolarpettai and Tirupati are the 4 constituencies. Vellore District: There are 5 constituencies namely Katpadi, Vellore, Dam, Gudiyatham and Keelavaithiyanankuppam.

Ranipet District: There are 4 constituencies namely Arakkonam, Cholingar, Ranipettai and Arcot. Villupuram District: Ginger, Mylam, Tindivanam, Vanur, Villupuram, Vikravandi, Tirukovilur are 7 constituencies. Kallakurichi District: Ulundurpettai, Rishivandiyam, Sankarapuram and Kallakurichi (Private) are 4 constituencies.
Nellai District: There are 5 constituencies namely Nellai, Ambasamudram, Palayamkottai, Nanguneri and Radhapuram. Tenkasi District: Sankarankoil (Single), Vasudevanallur (Single), Kadayanallur, Tenkasi and Alangulam are 5 constituencies.