[citation needed] She was initially rejected with the director noting she was "too young for the role", before the team chose to sign her following Samantha's exit from the project.

[9] Portraying the role of Beatrice, a young nurse with a child like personality, Nair worked alongside an ensemble cast including Arvind Swamy and Arjun and shot scenes across coastal Tamil Nadu.

"[15] Similarly, another reviewer added "Thulasi, is natural and has lent an air of grace to her role", while Sify.com wrote "though she has a very little screen space, she has tried her best to do a fair job of the young, chirpy girl.

Before the release of Kadal, cinematographer Ravi K. Chandran signed on Nair to appear in a leading role in his maiden directorial venture, Yaan (2014).

Featuring alongside Jiiva, the film was shot extensively in Morocco[18] and released in October 2014 to negative reviews and became a surprise failure at the box office.