The event was attended by the actress, other cast members including Javed Jaffrey and Ruhi Singh, and Ray's actor friend Arjun Rampal.
"Trailer launched for @IshqForeverFilm. Fab to see old friends @rampalarjun @jaavedjaaferi and @ruhisingh11 #Krishna," Ray, 43, posted on twitter.
The romantic drama musical film has been directed by Sameer Sippy.
Ray will also be seen playing a significant role in Prawaal Raman's Hindi remake of Hollywood horror film "Oculus", titled "Zahhak", also featuring Huma Qureshi and Saqib Saleem.