Siddharth’s upcoming action thriller NH 4 is gearing up for release later this summer. The film has been directed by Manimaaran and it has been scripted and produced by award winning filmmaker Vetrimaran. The film’s audio is going to be launched on April 1 in Telugu and Tamil at a prominent Radio FM station. Siddharth has sung a song in the Telugu version of NH4. “Manimaaran & @vetrimaaran have made a no nonsense realistic action thriller in ‘NH4’. A first for me,” Siddharth posted on Twitter. Ashrita Shetty has played the lead role in this action thriller which has been mostly shot on the national highway between Chennai and Bangalore. G V Prakash has scored the music. Lakshmi Ganapathy Films is distributing the Telugu version in AP.