Karan tweeted on Friday, the date referring to the untitled project's release,"Dharma collaborates with Fox Star Studios and Sajid Nadiadwala directed by Abhishek Varman... April 19, 2019."
He said details of the project will be disclosed shortly.
"The final cast of this collaboration will be put out soon along with the title. All rumours of story and other details circulating are false!" he added.
Karan, 45, has previously produced films such as "Badrinath Ki Dulhania", "Kapoor & Sons", "Baar Baar Dekho" and "Humpty Sharma Ki Dulhania" under his banner.
DHARMA collaborates with FOX STAR STUDIOS and SAJID NADIADWALA directed by ABHISHEK VARMAN ...APRIL 19th,2019 #GoodFriday ....
— Karan Johar (@karanjohar) October 6, 2017
His next set of productions include "Ittefaq", "Drive" and "Raazi".
(With IANS Inputs)