The film features a predominantly new cast and crew, which includes Pradeep Antony, TJ Bhanu, Diva Dhawan, Aahrav and SN Bhatt in prominent roles.

The film's music is composed by Pradeep Kumar, with cinematography handled by Shelly Calist and editing done by Raymond Derrick Crasta.

Further Raja stepped out of producing the venture citing financial constraints, and the rights for the film production were acquired by Sivakarthikeyan in June 2019.

The film opened to positive reviews from critics, praising the performances of the cast members, storyline, direction, music and cinematography, but criticised the lack of depth and the slow-paced narration in the second half.

The argument leads to a violent confrontation when Yathramma hits her husband with a piece of wood and kills him by accident.

When questioned by the police, Yathra relays the entire story, that Prakash had sex with his mom and his real father is dead.

His parents try to reach him desperately, but Tanya, Yathra and Prakash travel to a remote village and spend time with the aborigines.

He fondly reminisces his experience with Yathramma and his adventures with Tanya, her words resounding in his mind, reminding him to take time off for himself no matter how important his work and family are.

[11] In an interview with an online portal, Prabhu stated that the film has been shot in 100 unexplored locations across Tamil Nadu, Kerala and Karnataka, and also at several islands in Indonesia and Papua New Guinea.

For a small portion set in the 1930s, the makers used the film camera touting that it was the best way to authentically show that time period.

"[9] One of the tracks titled "Seemaan Magalai is based on poet Arunagirinathar's works from Kandar Anuboothi, and also features a dual version performed by Gina Mirenda.

[23] The album in its entirety was released on 9 July 2021,[24] at a special audio launch event which was streamed live through YouTube.

Behindwoods gave a rating of 3 out of 5 and said that the album has "mesmerizing bunch of tracks that flows like one unending symphonious waterfall".

[26] Vaazhl was initially scheduled for theatrical release, but due to COVID-19 related cinema closures, the makers discussed with popular digital streaming service SonyLIV which was set to debut in the South Indian market after the success of their Hindi originals distributed.

[29] Behindwoods gave the film 3 out of 5 and wrote "Vaazhl has a lot of takeaways for the viewers, coupled with strong technical work.

"[30] Ramya Palisetty of India Today gave the film 3 out of 5 and said "Vaazhl has a good story at its heart but it somehow fails in execution.

"[31] Manoj Kumar R. of The Indian Express gave 3.5 out of 5 stars with a review: "Vaazhl is a product of personal filmmaking.

But, the way Arun navigates this familiar territory of spiritual quest with a burst of colourful and soothing images with composer Pradeep Kumar’s meditative score keeps us invested in the narration.

"[34] In contrast, Ranjani Krishnakumar of Firstpost gave the film 2.5 out of 5 stars saying "Vaazhl lacks self-awareness, only engaging with the romanticised idea of nature".

[35] Haricharan Pudipeddi of Hindustan Times wrote "Vaazhl feels stretched towards the end when it tries hard to pack in too much.

"[36] Srivatsan S of The Hindu called the film lacks the spine that knits its rather non-linearity in a cohesive manner" and further added that "Arun Prabu tries to defy the framework of a screenplay.