Raja offers a conventional romantic storyline that relies heavily on the chemistry between the lead actors Ajith Kumar and Jyothika. The screenplay is straightforward, with a predictable plot that caters to the commercial audience. The pacing in the first half is engaging, filled with lighthearted moments and comedic sequences, largely supported by Vadivelu's comic timing. However, the second half slows down considerably as the film shifts focus to emotional drama and conflicts, which some viewers may find dragging.

The songs in Raja were popular at the time of release, complementing the mood of the film well. Although the music director's name is not specified, the soundtrack contributed positively to the film's appeal. The background score effectively underscores the emotional and romantic scenes, enhancing the overall viewing experience. Cinematography and production values are adequate but do not stand out significantly.

Overall, Raja is a typical early 2000s Tamil romantic entertainer that delivers what its target audience expects: romance, comedy, and drama with familiar tropes and performances. While it may not break new ground in storytelling or technical aspects, it remains a watchable film for fans of the genre and the lead actors.

Ajith Kumar: Charismatic and energetic, Ajith carries the film with his screen presence and romantic appeal.

Jyothika: Offers a charming and sincere portrayal, complementing Ajith well.

Priyanka Upendra: Adequate in her role, providing the necessary emotional depth.

Vadivelu: Delivers strong comic relief with his timing and expressions.