1427 slums in Chennai. 1231 are developed slums and 242 are undeveloped slums. TNSCB estimates indicate that the slum families in undeveloped slums work out to 1.08 lakhs; out of which 72,827 families are living in objectionable slums. TNSCB has also estimated that there are about 37,000 families in unobjectionable areas and further there are 6150 families who live in slum conditions in the encroached parts of the tenement areas which have been reserved as parks, public purpose sites etc
