The dimension of the slums is presumed as something that is deteriorating urban areas that is densely populated and contains dilapidated housing, often in multiple occupations, poverty, social disadvantage and other forms of physical and social deprivation. Urbanization is a global phenomenon experienced by economically advanced as well as developing countries. Rapid urbanization due to “pull factor” or the employment opportunity created in the city and “push factor” due to the lack of the same in rural areas and including environmental degradation, has attracted immigrants not only from the rural Tamil Nadu but also from other parts of the country. Growth of industrialization around the Chennai city, famine situation in the rural area, inadequate rain in the rural area, castism, rapidly and vast building construction activity in and around the city and information technology parks, has given surety for skilled, unskilled, semi-skilled jobs which are available to the deserving people. Most of the immigrated families who could not afford formal housing satisfy their need for housing by occupying available vacant land illegally and solving their housing problem and contribute to the creation of slums. In this study mainly aims to the income and expenditure activities of the Nochikuppam slum areas in Chennai city.