|Produced by||Dayanidhi Azhagiri
|Music by||G. V. Prakash Kumar|
|Edited by||Kishore Te.|
|Distributed by||Red Giant Movies|
|Budget||₹80 million (US$1.2 million)|
Udhayam NH4 is a 2013 Indian Tamil romantic action thriller film directed by debutant Manimaran, a former associate of Vetrimaaran. The film features Siddharth and newcomer Ashrita Shetty in the lead roles. Vetrimaaran wrote the script, did the screenplay, and penned the dialogues for this film. The story takes place in Bangalore, Karnataka. The film's soundtrack and background score were composed by G. V. Prakash Kumar. The film released along with a dubbed Telugu version titled NH4 on 19 April 2013, and also in Kannada as Highway NH4. The Kannada version was released almost a year later. 
Prabhu (Siddharth) and his friends discuss the route from Bangalore to Chennai and plan to kidnap Rithika (Ashrita Shetty). Meanwhile, her dad appoints encounter specialist Manoj Menon (Kay Kay Menon) who questions Rithika's male friend Deepak (Deepak) about Prabhu. The guy claims that Prabhu is a drug addict and was always trying to woo Rithika, who started to avoid him because of Prabhu. After that the plot continues when Manoj tries to track Prabhu and his friends. In the attempt, they track down a message from another friend Umesh asking Prabhu and friends to come to Bangarpet bus stand only to find Manoj and his team arresting the guy for more information. Manoj goes to a railway station where the train in which Prabhu and Rithika are travelling to Chennai via Kuppam, Andhra Pradesh . He finds Rithika and forcefully drags her into his jeep. As the flashback winds again (this time by Rithika), she fell for Prabhu after seeing him on many instances showing his presence of mind. As the flashback ends, Manoj finds Prabhu on the highway where he doesn't stop until he runs over pieces of glass put down by Prabhu. They get into a brawl where Prabhu loses and Manoj continues in the highway but has to stop in a railway signal at Andhra Pradesh- Karnataka border. Prabhu takes his chance and threatens Manoj keeping his throat under a blade and taking Rithika with him. After a cat and mouse chase, Manoj calls Prabhu saying that his friend needs immediate treatment after an accident. He goes in search of Manoj and involves in a fight with him again. Now, after the stroke of midnight Rithika turns 18 giving her the right for choosing her partner. After that Manoj leaves the Highway as he couldn't do anymore according to law.
- siddharth as Prabhu (Prabhu Simhe Gowda in Kannada Version)
- Ashrita Shetty as Rithika
- Kay Kay Menon as Manoj Menon
- Avinash as Avinash Gowda, Rithika's Father
- Aadukalam Naren as Prabhu's brother-in-law
- Surekha Vani as Prabhu's sister
- Achutha Kumar
- Karthik Sabesh as Karthik
- Deepak as Deepak
- Rohit Balaiah
- P. Kalaivanan
- Yash Bothra as Umesh
- Gaana Bala in a special appearance
- Kaali Venkat
While working with Balu Mahendra for Adhu Oru Kana Kaalam (2005), producer Vetrimaaran prepared a script for Dhanush, who was the lead hero of the film he worked on, and Dhanush immediately accepted the offer after hearing the story. The film titled was Desiya Nedunchalai 47 was initially launched with Yuvan Shankar Raja as the music director and Ekambaram as the cinematographer. However, he found trouble finding producers with A. M. Rathnam and Salem Chandrasekhar leaving the project after initial interest, Dhanush's sister Dr. Vimala Geetha agreed to produce the film, but she also dropped the film. Dhanush's father Kasthuri Raja finally agreed to produce the film and Kirat Bhattal was signed as heroine, while Harris Jayaraj was selected as music director. However, after two days of shoot the film was shelved and Dhanush opted to pursue other films after the surprise success of his Thiruvilayadal Arambam (2006). The film's collapse saw Vetrimaaran approach producer Kadiresan and narrated to him the stories he had prepared but the producer did not like Desiya Nedunchaalai 47, but later agreed to work on another project titled Polladhavan.
Vetrimaaran restarted the film as a creative producer with Dayanidhi Azhagiri, and chose to give the script to debutant director Manimaaran, who was initially nervous to take over a script by a National film winner. The team tried to re-take the title Desiya Nedunchalai, but this name was already registered by Dr. Srinivasan, which hence led to the renaming of the title to Udhayam NH4. Cloud Nine Movies roped in Siddharth for the lead role, who immediately agreed to it. Kishore, who was initially roped in for a role in 2006, was re-approached but was unable to commit dates for the film. Subsequently Kay Kay Menon, who Vetrimaaran had been discussing a role in his next film Vada Chennai with, was signed on to play a pivotal role in the film. Debut actress Ashrita Shetty was selected to play the lead female role. Ramya will appear in a cameo appearance in the film. Newbies Ajai, Kalai and Karthi play Siddharth's friends. Velraj is the cinematographer and editing will be by Kishore Te. The film will be produced jointly by Dayanidhi Azhagiri and Vetrimaaran as a tie-up between their companies Meeka Entertainment and Grass Root Film Company. The filming took place only on real locations, where crowds delayed shootings up to four days, making hidden cameras mandatory.
|Soundtrack album by G. V. Prakash Kumar|
|Genre||Feature film soundtrack|
|G. V. Prakash Kumar chronology|
The soundtrack album was composed by G. V. Prakash Kumar. The music rights were acquired by Sony Music India. On Valentine's day, the track "Yaaro Ivan" was unveiled at Suryan FM. Actor Siddharth sang the Telugu version of this song.
|1.||"Yaaro Ivan"||Na. Muthukumar||G. V. Prakash Kumar & Saindhavi||04:41|
|2.||"Maalai Pon Maalai"||La. Rajkumar||Bela Shende & S. P. B. Charan||05:22|
|3.||"Ora Kannala"||Gaana Bala||Gaana Bala||04:47|
|4.||"Indrodu Thadaigal"||Vaali||Srinivas & Ramya NSK||03:57|
|5.||"Vaa Iravugal"||Kabilan Vairamuthu||Ajmal Khan, Amrith Vishwanath||05:30|
The satellite rights for the film were secured by Sun TV. The film was given a "U/A" certificate by the Indian Censor Board. On 14 February 2013, the first film trailer was released at Sun Music.Udhayam NH4 released in around 250 theatres across Tamil Nadu along with Gouravam (2013).
Upon release Udhayam NH4 generally received favourable reviews. Baradwaj Rangan of The Hindu thanked the film crew for a well treated, but slight story, "[...] the constant infusion of colour keeps us hooked. I don’t think I’ve laughed so much at a cop telling his nagging wife he loves her." Behindwoods gave 3 of 5 stars and concluded, "To sum it all, Udhayam NH 4 comes across as a well packaged product that has many things going in its favor and is sure to have patrons from the youth along with other sections of the audience too." Sify recommended the film, "The presentation is unique as it doesn’t have the trappings of usual masala potboilers." in.com rated the film 3.5 out of 5 and stated that the story is simple but the taut screenplay with unexpected twists and turns at the right time makes Udhayam a good watch. Mahalakshmi Prabhakaran of Daily News and Analysis criticized the performance of Ashrita Shetty heavily, "As the character who’s the prize catch for both the cop and the boyfriend, the role’s every debutante actress' dream. But Hrishita just doesn’t match up. We are not even going to comment on her poor delivery of Tamil. Yes, she might be a Kannadiga in the movie but that’s no excuse!", giving the film an average rating of 3. S. Saarawathi of Rediff wrote, "Udhayam NH4 is a racy entertainer that keeps you glued to the screen." Sidharth Varma of The Times of India rated it 3.5 out of 5 stars and said, "The movie brings in a whiff of fresh air in the dialogue department. The characters switch between the four south Indian languages and English depending on the place where the scene is set and the situation, which adds to the authenticity of the movie. The drama is injected in the right doses through the incidents on the highway, and flashbacks tell us more about each character." Sangeetha Devi Dundoo of The Hindu recommended the film, "Take a ride down this highway just to see how a talented director can make a simple story engaging." Review Raja found the film to be "just an alright movie", and thought, that Ashrita Shetty wasn't capable enough to play the female lead role. Bangalore Mirror gave the film 3.5 out of 5 saying that the film is well crafted.
The film won positive reviews and performed strongly at the box office, with a critic from Rediff.com adding the actor "has given a very mature, yet understated performance"
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