In the plays of Mahesh Dattani we see the representation of the marginalized classes of society and the space they occupy in society. This space is forbidden by society and is often ignored by the latter. My paper “The Forbidden Space in Mahesh Dattani's Plays Tara, Thirty Days in September, On a Muggy Night in Mumbai and Final Solutions: A Study” focuses on this forbidden space and intends to show how this forbidden imaginary space stands out to be more real than the socially recognized space of the mainstream society