NH4 is a  movie being directed by Manimaran, who worked as an Associate of Vetrimaaran and even the Script, Dialogues and Screenplay for this movie is written by Vetrimaaran. Dynamic Lover Boy Siddharth is playing the lead role in this movie and Ashrita Shetty, a new heroine is pairing with him. NH4 is being produced by B. Subramaniam, S. Suresh under the Laxmi Ganapathi Films Banner with the Soundtrack composition of G.V. Prakash. It is also known that, NH4 is going to be a Love, Action Thriller made in a commercially high manner.

The Audio release of NH4 took place on April 1, 2013 at Radio Mirchi. Guna Sekhar, Ramesh Puppala, Maruthi and R.P. Patnaik are the cheif guests for the audio lauch event.