Her better-half, actor Ajay Devgn, who is producing the movie, took to Twitter to make the announcement along with a fresh poster of the much-awaited flick.
"Launching the @HelicopterEela trailer in two days on Kajol's birthday. Stay tuned!" read Ajay's caption.
Kajol-Riddhi Sen's 'Helicopter Eela' gets new release date
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The film also stars National Award winning actor Riddhi Sen, Neha Dhupia, and Tota Roy Chowdhary.
Directed by Pradeep Sarkar and written by Mitesh Shah, the film will see Kajol playing the role of a single mother, who is also an aspiring singer.
The movie is all set to hit the big screens on September 7.