As Kirron left the venue, AAP's candidate Gul Panag filed her nomination with the returning officer.
She was accompanied by her father H S Panag and other supporters.
Earlier incumbent MP Pawan Kumar Bansal of Congress, who has represented Chandigarh four times in the Lok Sabha, and Jannat Jahan of BSP had filed their nominations on last Tuesday.
Chandigarh is going to polls on April 10.
