
Udhayam NH4 is a 2013 Indian Tamil-language action thriller film directed by Manimaran and starring Siddharth and Ashrita Shetty.
The story takes place in Bangalore, Karnataka, and follows Prabhu, a college student who falls in love with Rithika, his classmate. When their relationship is disapproved of by Rithika's father, Avinash Gowda, Prabhu plans to kidnap her to elope.
ACP Manoj Menon IPS, an encounter specialist, is appointed by Rithika's father to question Prabhu's friend Deepak about the planned kidnapping. The cat and mouse game between Prabhu and ACP Menon unfolds as they engage in a high-speed chase from Bangalore to Chennai.
The film features music composed by G. V. Prakash Kumar, with a dubbed Telugu version titled NH4 released on 19 April 2013.