"We are making a film with Kareena and Imran in the lead. Karan is producing the film and I would be directing it. We are very happy to have Kareena and Imran on board with us," Punit told PTI.
Released in February earlier this year, the romantic comedy "Ek Main Aur Ekk Tu", was also produced by Karan and directed by debutante Shakun Batra.
On the untitled venture, Punit said, "It is a romantic movie, as well as a little more than that. It is tough to be put in a genre. It is different from 'I Hate Luv Storys'. It is not a rom-com, but definitely a romantic film, a little more serious."
The film is likely to go on floors later this year or next year.
"We are waiting to lock dates (of actors). Hopefully we will start shooting for it from this year or may be next year," Punit said.
This will be Punit's second directorial venture after "I Hate Luv Storys" that had Imran Khan and Sonam Kapoor in the lead.