The 29-year-old stars opposite Sonam Kapoor in the movie and is looking forward to rest of the dubbing.
"Finished first half dubbing for 'Raanjhanaa'. So happy with the film and the fact that I have managed to dubb. Come on! Bring it on second half," Dhanush posted on Twitter.
Directed by Aanand L.Rai, the movie will release June 21.
Tamil actor Dhanush, who has begun dubbing for his upcoming Hindi debut "Raanjhanaa", says he finds the experience tough but wishes to give his best to satisfy his audiences.