Pagalil Oru Iravu presents a compelling story that is both emotionally engaging and socially relevant. The screenplay effectively balances the dramatic elements with moments of subtlety, allowing the characters' internal conflicts to resonate with the audience. The pacing is steady, with the first half establishing the characters and their motivations, while the second half intensifies the drama leading to a poignant climax.

The film's music, though not credited to a specific music director in available sources, complements the narrative well, with songs that enhance the emotional depth of the scenes. The background score supports the mood transitions effectively, adding to the overall immersive experience. Cinematography captures the essence of the setting, though detailed credits are unavailable.

While the film maintains a traditional storytelling approach, it benefits from strong performances and a focused narrative. The absence of detailed information on music direction and production limits a full evaluation, but the film remains a notable example of late 1970s Tamil cinema with a socially conscious theme.

Sridevi: Delivering a nuanced and heartfelt portrayal, Sridevi stands out as the emotional core of the film, capturing the vulnerability and strength of her character.

Vijayakumar: Provides a solid supporting role with a restrained and convincing performance.

Seema: Offers a memorable performance that adds depth to the narrative.

Ravikumar: Contributes effectively to the ensemble with a natural portrayal.

Pushpalatha: Delivers a competent supporting role.

Major Sundarrajan: Brings gravitas and experience to his character, enhancing the film's dramatic weight.