Kaushal achieved his breakthrough in 2018.[23] He was first seen as the male lead of the romantic comedy Love per Square Foot, India's first Netflix original film.[24] Shweta Ramakrishnan of Firstpost considered the chemistry between Kaushal and his co-star Angira Dhar to be the film's highlight.[25] He next featured in Meghna Gulzar's spy thriller Raazi (2018), based on Harinder Sikka's novel Calling Sehmat.