Match List I with List II:

Authors	Books
A. J. W. de Wit	I. Sociology of Slum
B. Vinit Mukhija	II. Shadow Cities: A Billion Squatters, A New Urban World
C. Robert Neuwirth	III. Policy, Poverty and Politics in Madras Slums
D. M. S. Dhadave	IV. Squatters as Developers? Slum Redevelopment in Mumbai

Correct option is B

A - III,B - IV,C - II,D - I

List I: Authors

• A. J. W. de Wit: Known for his work on urban poverty and slums in India.
• B. Vinit Mukhija: Researches urban planning, housing, and informal settlements.
• C. Robert Neuwirth: An investigative journalist who has extensively studied squatter settlements globally.
• D. M. S. Dhadave: Works on urban sociology, particularly focusing on slums in India.

List II: Books

• I. Sociology of Slum: A general title that could apply to various authors, but needs to be matched specifically based on the context.
• II. Shadow Cities: A Billion Squatters, A New Urban World: Focuses on the global phenomenon of squatter settlements.
• III. Policy, Poverty and Politics in Madras Slums: Specifically addresses the situation in Madras (Chennai).
• IV. Squatters as Developers? Slum Redevelopment in Mumbai: Examines slum redevelopment in Mumbai.

Matching:

• A. J. W. de Wit - III. Policy, Poverty and Politics in Madras Slums: J.W. de Wit is known for his work on slums in Madras (Chennai), making this the correct match.
• B. Vinit Mukhija - IV. Squatters as Developers? Slum Redevelopment in Mumbai: Vinit Mukhija has done research on slum redevelopment in Mumbai, aligning with this book.
• C. Robert Neuwirth - II. Shadow Cities: A Billion Squatters, A New Urban World: Robert Neuwirth's work on global squatter settlements is encapsulated in this book.
• D. M. S. Dhadave - I. Sociology of Slum: While a general title, M.S. Dhadave's work on urban sociology and slums makes this the most fitting match.