Kadhal Azhivathillai showcases a typical early 2000s Tamil romantic drama style, heavily influenced by T. Rajendar's signature filmmaking approach. The story is straightforward but lacks subtlety, relying on melodrama and predictable plot points. The screenplay is linear, with a clear division between the first half's romantic setup and the second half's conflict and resolution. However, the pacing suffers due to repetitive scenes and a tendency to linger unnecessarily on emotional sequences.

The first half focuses on establishing the lead characters' romance and their initial interactions, which are somewhat engaging due to the youthful energy of Silambarasan. The second half shifts towards conflict and family drama but becomes overly melodramatic, which may test the patience of some viewers. The songs, composed and penned by T. Rajendar himself, are typical of the era, with catchy tunes but limited musical innovation. The background score is functional but intrusive at times, emphasizing emotional scenes with heavy-handedness rather than subtlety.

Visually, the cinematography handled by T. Rajendar is basic and lacks finesse, with static shots and minimal creative framing. Overall, the film appeals primarily to fans of Silambarasan and those who appreciate Rajendar's style but may not resonate well with a broader audience seeking nuanced storytelling or technical polish.

Silambarasan: Energetic and earnest as the young lover, though limited by the script's melodramatic demands.

Charmy Kaur: Debutante performance, showing freshness but constrained by a simplistic character.

T. Rajendar: Typical flamboyant and theatrical presence, dominating the narrative with his multiple roles.