National Award winning director Vetrimaran has announced that his Desiya Nedunjalai has been re-titled Udhayam - NH4 as the title has been registered by someone else.
Update: We came to know that Powerstar Srinivasan has registered title.
Revealing more about this project, Vetrimaran said that it is a joint production venture by his Grass Root Film Company and Meeka Entertainment.

Udhayam - NH4 has been directed by debutant Manimaran and stars Siddharth in the lead role. GV Prakash has scored the music for this film. Incidentally, Vetrimaran has penned the story for Udhayam - NH4.