<P> A few travel operators offer guided tours through Dharavi, showing the industrial and the residential part of Dharavi and explaining about the problems and challenges Dharavi is facing . These tours give a deeper insight into a slum in general and Dharavi in particular . </P> <P> Riwa Fort, also known as Kala Qilla or Black Fort, is a fort in central Mumbai (Bombay), India on the banks of the Mithi River . The fort is currently in a dilapidated condition amidst the Dharavi slums . It was built by the first governor of Bombay, Gerald Aungier (1669--1677). It was part of the larger Bombay Castle, and marked the northern portion of British - held Bombay in the 17th century . The castle was also used as a watchtower, guarding the territory against the Portuguese - held (and later Maratha - held) Salsette Island . </P> <P> - Denis Gruber et al. (2005) </P> <Ul> <Li> Dharavi has been depicted in a number of Hindi films produced by the Mumbai film industry . These include Salim - Javed films such as Deewaar (1975), Mira Nair's Salaam Bombay! (1988) where several child actors were from the Dharavi slum, Vidhu Vinod Chopra's Parinda (1989), Sudhir Mishra's Dharavi (1991), Ram Gopal Varma's "Indian Gangster Trilogy" (1998--2005) and Sarkar series (2005--2008), Vikram Bhatt's Footpath (2003), Anurag Kashyap's Black Friday (2004) and No Smoking (2007), Madhur Bhandarkar's Traffic Signal (2007), Rajeev Khandelwal's Aamir (2008), and other films based on the Mumbai underworld . </Li> <Li> Dharavi has been depicted in films from other Indian film industries, particularly the Tamil film industry . Several films by Mani Ratnam based on the experiences of Tamil immigrants to Mumbai have depicted the Dharavi slum, including Nayakan (1987) and Bombay (1995). </Li> <Li> Dharavi features prominently in Danny Boyle's 2008 film Slumdog Millionaire; several of the child actors in the film are from the Dharavi slum . </Li> <Li> The movie Mankatha was shot there starring Ajith kumar . </Li> <Li> The movie Businessman was shot here starring Mahesh Babu . </Li> <Li> In Kaminey, the 2009 Hindi movie, starring Shahid Kapoor . </Li> <Li> In the 2009 Swiss / German documentary Dharavi, Slum for Sale by Lutz Konermann and Rob Appleby . </Li> <Li> In a programme aired in the United Kingdom in January 2010, Kevin McCloud and Channel 4 aired a two - part series titled Slumming It which centered around Dharavi and its inhabitants . </Li> <Li> The poem "Blessing" by Imtiaz Dharker is about Dharavi not having enough water . </Li> <Li> For The Win, by Cory Doctorow, is partially set in Dharavi . </Li> <Li> In the 2014 movie Bhoothnath Returns, Bhoothnath (Amitabh Bachchan) contests for election from Dharavi against Bhau (Boman Irani). </Li> <Li> In 2014, Belgian researcher Katrien Vankrunkelsven made a 22 - minute film on Dharavi which is entitled The Way of Dharavi . </Li> <Li> In 2018, the movie Kaala starring Rajinikanth potrarys a man fighting for the rights of Tamils living in the Dharavi slums . </Li> </Ul>

What are the houses in dharavi made of