Ratchagan offers a blend of intense action and melodrama, typical of late 90s Tamil cinema. The screenplay attempts to balance the hero's professional challenges with his personal life, though the pacing tends to be uneven, with a stronger first half that establishes characters and conflicts effectively. The second half, while packed with action, sometimes feels stretched due to repetitive sequences.

The film's songs, composed by A.R. Rahman, stand out as a major highlight, featuring memorable melodies and innovative arrangements that complement the film's mood. The background score effectively heightens the tension during action scenes and emotional moments, enhancing the overall cinematic experience.

Cinematography by Ajayan Vincent captures the grandeur and scale of the film, especially in action set pieces. However, the screenplay could have benefited from tighter editing to maintain momentum throughout. Overall, Ratchagan is a commercial entertainer with notable music and action, though it struggles with narrative consistency.

Nagarjuna Akkineni: Charismatic and commanding as the heroic police officer, delivering a strong action-oriented performance.

Sushmita Sen: Offers a graceful and poised presence, providing the romantic angle with sincerity.

S. P. Balasubramaniam: Supports well with a dignified and impactful role.

Raghuvaran: Effective as the antagonist, bringing intensity and menace.

Vadivelu: Provides comic relief with his trademark humor.