Quoting from an article by LiveMint.com – “Dadar in some ways epitomizes a Mumbai that is far removed from the two extremes that now get written about so often: Page 3 glamour on the one hand and the violent underworld on the other. Dadar is a reminder of a stabilizing centre. It is resolutely middle class, but the very ordinariness out here hides rich traditions.”
An excerpt from the book – Bombay Place-Names and Street-Names: An Excursion Into the by-Ways of the History of Bombay City  –
From the village of Dadar through which it runs. Dadar in Marathi, means a stair-case or ladder, and as this locality could be regarded as part of a ladder leading to Bombay it was called Dadar. There is more than one instance of localities lying on the outskirt C)f a village being formerly named Dadar by Koli residents. Thus, for instance, the locality on the out- skirt of the village Kelva in Thana District, which is wholly «- occupied by Koli fishermen, is called Dadar.