The seven will be contesting on the ruling party's two- leaves symbol.
AIADMK supremo and Chief Minister Jayalalithaa had submitted her nomination on April 25 here.
With this, nominations have been filed in all 234 constituencies in the state by AIADMK and its allies.
Notably, AIADMK's 'two-leaves' symbol is in the contest in all 234 seats in Tamil Nadu for the first time in the party's history. AIADMK has fielded 227 candidates and the other seven seats were allotted to smaller allies.
More From This Section
Chief among AIADMK's allies who presented their nomination papers were R Sarathkumar, chief of All India Samathuva Makkal Katchi in the temple town of Tiruchendur and M Thamimun Ansari, General Secretary of Manithaneya Jananayaga Katchi from Nagapattinam.
Chief of state unit of BJP, Tamilisai Soundararajan also filed her nomination today at Virugumbakkem here.
With this, the total number of nominations filed in Tamil Nadu stands at 3,789, of which 3,358 are men and 430 are women. One candidate is a transgender.