Uyarnthavargal stands out for its heartfelt and socially relevant content, addressing disability with empathy and depth uncommon for its time. The screenplay is structured to balance emotional intensity with moments of lightness, though the pacing tends to slow down in the second half, which may affect viewer engagement. The first half effectively establishes characters and their motivations, drawing the audience into their world, while the second half focuses more on resolution and emotional catharsis.

The songs composed by Shankar-Ganesh complement the narrative well, with melodies that enhance the emotional tone without overpowering the scenes. The background score is subtle yet effective, supporting the mood transitions and adding to the film's overall atmosphere. Cinematography by N. K. Vishwanathan captures the nuanced performances and settings with clarity, contributing to the film's immersive experience.

Overall, Uyarnthavargal is a commendable effort in Tamil cinema that combines strong performances with a socially conscious storyline, though its slower pacing in parts may test the patience of some viewers.

Kamal Haasan: Delivering a nuanced and sensitive portrayal, Kamal Haasan brings depth and authenticity to his role, effectively conveying the emotional complexities of his character.

Sujatha: Sujatha offers a heartfelt and convincing performance, complementing the lead with emotional sincerity and strong screen presence.

Thengai Srinivasan: Provides notable support with his comic timing and character work, adding relief and balance to the film's heavier themes.