Majunu is a 2001 Indian Tamil-language romantic thriller film directed by Ravichandran and produced by Sunanda Murali Manohar.

The film stars Prashanth and Rinke Khanna with Sonu Sood, Raghuvaran, Rati Agnihotri and Vivek appearing in other pivotal roles.

The film's score and soundtrack were composed by Harris Jayaraj, whilst Priyan handled the cinematography.

[1][2] Notably, this was the first and only Tamil film of Khanna and remains the only collaboration between music director harris jeyaraj and prashanth.

Vasanth lives a fun-filled life in Chennai, until he meets a girl when they both rush to save a baby who was about to fall in a railway track.

While leaving the shop a sound comes from her watch alarm in her bag, which she jokes is a bomb that will destroy everything in 2 km radius.

A week later, Vasanth lies to his parents that he is going for a vacation computer course in Mumbai and leaves for Kolkata along with his friend Ganesh, to find Heena knowing only her name.

[3][4] Director Ravichandran, who had delivered a commercially successful film with Prashanth through Kannedhirey Thondrinal (1998), was chosen to direct Manohar's next production.

Hindi actress Rinke Khanna was then signed on to make her Tamil film debut in October 2000 and joined the team after her mother Dimple Kapadia was impressed with the script.

The team shot scenes in North India, while Prashanth was injured during the making of the film, delaying it temporarily.

[6] The art director Yogamahi designed a lavish set in a studio for a song shooting costing Rs.10 lakh, with a Rajasthani ambiance created with 200 people working on it.

[8] The music was composed by Harris Jayaraj, which was the first film he had signed to work on, though Minnale ended up releasing earlier.

[9] The audio cassette of the film was launched in a function held at Taj Coromandel Chennai, where Miss Universe 2000 pageant winner Lara Dutta was the event's chief guest.

"[15] Chennai Online felt the film "would have turned into an engaging entertainer had the director not left so many loopholes in the script and narration, as he shuttles between depicting ‘love’ and ‘terrorism’".