Paruva Kaalam offers a sincere portrayal of youthful emotions and societal pressures through its straightforward storytelling. The screenplay maintains a linear progression, effectively balancing moments of lightheartedness with more serious dramatic beats. The pacing is steady, with the first half focusing on character introductions and the blossoming relationships, while the second half intensifies the conflicts and emotional stakes.

The film's songs, composed by G Devarajan, complement the narrative well, featuring melodious tunes that enhance the mood without overwhelming the story. The background score is subtle, supporting the emotional undercurrents without being intrusive. Cinematography by M. Masthan captures the rural and urban settings with equal finesse, adding to the film’s authentic feel.

While the film may feel dated to contemporary audiences, its earnest approach to storytelling and performances by the cast, especially Kamal Haasan and Roja Ramani, provide a heartfelt cinematic experience. The direction by Jos A. N. Fernando is competent, though the film occasionally suffers from predictable plot points and conventional treatment typical of its era.

Kamal Haasan: Delivering a nuanced and restrained performance, Kamal Haasan effectively portrays the emotional turmoil of youth.

Roja Ramani: Roja Ramani brings innocence and charm to her role, creating a believable and relatable character.

Nagesh: Provides comic relief with his characteristic timing, adding levity to the narrative.