For historical context, I recommend Nightingale, Carl H. Segregation: A global history of divided cities. University of Chicago Press, 2012.

Dear Mr. Ahmad,

Urban segregation is the uneven distribution of various socioeconomic groupings in urban areas, mostly based.

To master your study thesis, I strongly advise you to adhere to the following research structure:

Urban segregation

The segregation issue

Anti-segregation policies

Perspectives on segregation

The urban expansion

Society and space

The city: a place for social life

Social theories and cities urban life

The role of urban form

Knowledge relates to understanding

What is spatial in social segregation?

From spatial location to spatial relations

How to analyse spatial segregation

Case study

Structure of the empirical study

Background and data

Empirical results

Integration analysis

Accessibility analysis

Co-presence in public space

Discussion and conclusions

There are many sources available for studying the topics of urban segregation, inclusive city, and informal settlement. Here are a few suggestions:

• "The Color of Law: A Forgotten History of How Our Government Segregated America" by Richard Rothstein is a comprehensive book that explores the history of residential segregation in the United States and its ongoing impact on American society.
• "The Death and Life of Great American Cities" by Jane Jacobs is a classic work that discusses the importance of mixed-use, diverse neighborhoods in creating vibrant and healthy cities.
• "The Right to the City: Social Justice and the Fight for Public Space" by David Harvey is a book that explores the concept of the "right to the city" and how it relates to issues of urbanization, gentrification, and social justice.

• "The Roots of the Ghetto" by Douglas Massey and Nancy Denton is a seminal article that explores the social, economic, and political factors that contribute to the creation and persistence of ghetto neighborhoods.
• "Informal settlements and the right to the city: From social exclusion to urban citizenship" by Susan Parnell and Edgar Pieterse is an article that discusses the rights and challenges faced by residents of informal settlements in South African cities.
• "Inclusive Cities: A Framework for Urban Equity" by Rachel G. Bratt and Michael E. Stone is an article that discusses the concept of inclusive cities and how they can be achieved through various policy and planning interventions.

• The Urban Institute is a non-profit research organization that conducts research on a wide range of urban issues, including segregation, inclusive cities, and informal settlements.
• The Right to the City Alliance is a network of grassroots organizations and advocacy groups that work to promote the right to the city and promote equitable and inclusive urban development.
• The United Nations Human Settlements Programme (UN-Habitat) is an agency of the United Nations that works to promote sustainable urbanization and improve the lives of urban residents, including those living in informal settlement

if we focus in Asian Context,

• "Informal Urbanisation in Asia: Profile and Policy Implications" edited by Yap Kioe Sheng and Yap Kioe Sheng is a book that discusses the challenges and opportunities of informal urbanization in Asian cities and provides policy recommendations for addressing these issues.
• "Urban Inequality in China: Trends, Causes, and Implications" edited by Shilu Tong, Zhigang Li, and David J. Phillips is a book that explores the causes and consequences of urban inequality in China, including issues of segregation and exclusion.
• "Inclusive Cities in India" edited by Vinay Gidwani and Ajay Shenoy is a book that discusses the challenges and opportunities of building inclusive cities in India, with a focus on issues of social and spatial segregation, housing, and transportation.

• "Segregation and Exclusion in Indian Cities: A Review" by Sanjay R. Jain is an article that reviews the literature on segregation and exclusion in Indian cities and discusses the various factors that contribute to these issues.
• "Informal Settlements and the Right to the City in Asian Cities" by Susan Parnell and Edgar Pieterse is an article that discusses the rights and challenges faced by residents of informal settlements in Asian cities, with a focus on the Asian context.
• "Inclusive Cities in Asia: Challenges and Opportunities" by Rachel G. Bratt and Michael E. Stone is an article that discusses the concept of inclusive cities in the Asian context and provides examples of successful policy and planning interventions in Asian cities.

• The Asian Development Bank is a regional development bank that works to promote sustainable and inclusive development in Asian countries, including efforts to address issues of segregation and informal settlements.
• The Asian Coalition for Housing Rights is a network of organizations and individuals working to promote the right to housing and the development of inclusive and sustainable communities in Asia.
• The Habitat International Coalition is a global network of organizations and individuals working to promote the right to adequate housing and the development of inclusive and sustainable communities, including in Asian countries.

if we narrow it down further to Sri Lanka,

• "Poverty, Inequality and Urbanization in Sri Lanka" edited by Saman Kelegama and K.M. De Silva is a book that explores the relationship between poverty, inequality, and urbanization in Sri Lanka and discusses the implications for economic development and social cohesion.
• "Housing in Sri Lanka: Current Situation and Future Challenges" edited by M.A.M. Shukri is a book that discusses the current state of housing in Sri Lanka and the challenges and opportunities for improving access to housing and promoting inclusive and sustainable communities.
• "Urban Governance in Sri Lanka: Challenges and Opportunities" edited by Harsha Aturupane and S.A.P. Sooriyaarachchi is a book that discusses the challenges and opportunities of urban governance in Sri Lanka, including issues of segregation and informal settlements.

• "Urban Segregation in Colombo, Sri Lanka: A Spatial Analysis" by G.M.S. Dissanayake and D.M.S.W. Bandara is an article that uses spatial analysis to examine the patterns and trends of segregation in Colombo, Sri Lanka, and discusses the implications for social cohesion and urban development.
• "Informal Settlements in Colombo, Sri Lanka: An Overview" by K.G.D.G. De Silva and K.R. Samaratunga is an article that provides an overview of informal settlements in Colombo, Sri Lanka, including their history, characteristics, and challenges.
• "Inclusive Cities in Sri Lanka: Challenges and Opportunities" by Rachel G. Bratt and Michael E. Stone is an article that discusses the concept of inclusive cities in the Sri Lankan context and provides examples of successful policy and planning interventions in Sri Lankan cities.

• The Ministry of Megapolis and Western Development is the government ministry responsible for promoting sustainable and inclusive urban development in Sri Lanka, including efforts to address issues of segregation and informal settlements.
• The United Nations Human Settlements Programme (UN-Habitat) is an agency of the United Nations that works to promote sustainable urbanization and improve the lives of urban residents, including those living in informal settlements. UN-Habitat has a country office in Sri Lanka that works on issues related to urbanization and housing in the country.
• The International Institute for Environment and Development is a non-profit organization that conducts research and provides policy advice on sustainable development, including issues related to urbanization and housing. The organization has a number of resources and publications on these topics, including those specific to Sri Lanka.

hope this would be an assistance for your endeavours,

in Sri Lankan context following topics could be an inception for a study in your referred are,

Book: Just Cities

Urban Regeneration

A Handbook

Edited by

PETER ROBERTS AND HUGH SYKES