It is the mindset of the slum dwellers which has to be demolished. They prefer to be slum dwellers even when they are encouraged to come out of the slums. They do not want to change their habits or culture as they find peace and heaven in that atmosphere. Some slum dwellers I suspect may be richer than those who live in palaces and pansions. They cannot change their life styles. They believe they are smarter than those living normal lives who are considered foolish by them. UN will do well to make endeavours to change their psychology so that they voluntarily get out of their slums.
