The film's score and soundtrack album is composed by Yuvan Shankar Raja, with cinematography and editing handled by Theni Eswar and Surya Pradhaman respectively.

It follows the story of a confused father, who is dejected after his wife abandons him and their child, who has cerebral palsy, struggles to take care of his daughter while society constantly rejects him.

Director Ram worked on the script for almost six years, and narrated to Mammooty in February 2015, although production being further delayed, after the team decided to finalise the cast and crew.

Amudhavan works in Dubai while his wife Stella lives in India with their 14-year-old daughter Pappa who has a muscular health condition making her dependent to carry out daily functions.

One day, Stella writes to Amudhavan asking him to take care of their daughter and leaves her family and runs away leading to Amu moving back home after 10 years to raise Pappa as a single father.

Feeling helpless, Amu decides to end his and Pappa's lives and the two walk into the sea at night but are saved by Meera.

[12][13] While his regular technicians, composer Yuvan Shankar Raja and cinematographer Theni Eswar, were confirmed to be a part of the project, no one has been finalised for the cast and crew.

[14] However, Sadhana who appeared as the child artiste in his previous flick was Thanga Meenkal, was announced to be a part of the film's cast in July 2015.

[34] The soundtrack album and film score are composed by Yuvan Shankar Raja, who previously worked with Ram in Kattradhu Thamizh (2007) and Thanga Meenkal (2013).

[61][62] Karthik Kumar of Hindustan Times rated the film 4.5 out of 5 and stated "Peranbu is narrated in chapters and each one helps us understand the father-daughter relationship better.

The film takes a deep dive into the psyche of a helpless father who has just taken custody of his teenage daughter who has cerebral palsy, and how both of them come to terms with life and accept each other.

"[68] Writing for The Times of India, M. Suganth gave 4 out of 5 stars to the film, and stated "Peranbu is filled with poignant moments and superb performances.

"[69] Behindwoods gave 3.5 out of 5 and stated "Through a film as strong as Peranbu, Ram tells us that the differently abled community don't need our sympathy to survive.

"[70] The Indian Express gave 4 out of 5 stars and stated "The film has a lot of heart in this delicately textured moving drama.

"[72] India Today gave 4 out of 5 stars and stated "Director Ram, who is known for churning out bold societal films, has nailed it once again.

"[74] Writing for Sify, Kaushik LM gave 3.5 out of 5 and stated "Peranbu is one of the boldest, gutsiest and most hard-hitting films in Tamil cinema history.

"[75] Anupama Subramanian of Deccan Chronicle gave 4.5 out of 5 and stated "Through Peranbu, Ram drives home a point that the differently abled do not need our sympathy but are instead treated as normal persons, showering plenty of love.

Your eyes will well up due to happiness when you come out of the cinema halls as Peranbu (Abundant Love) will make you a better human being, as you would feel gifted to possess a body without frailties.