 Introduction Solid waste is a by product of human activities. These can be classified according to their use their physical nature and their composition. Due to urbanization and changing lifestyles and increase in human population, this has lead to rapid generation of human solid wastes. The government although responsible for this cannot do this altogether because of lack of infrastructure. So in many countries people have started participating in the segregation of wastes.  Aim and Objective To assess the knowledge attitude and practice of segregation and disposal of solid wastes at the household level and perceived impact of plastic ban on the society in a suburban township in Chennai  Materials and Methods A cross sectional study was conducted among the households of suburban population in Avadi municipal area. 10 out of 48 wards of Avadi were randomly selected and 30 households from each ward were included in the study. Data was collected by interviewing the head of family using a structured questionnaire. Data was entered in MS excel and was analysed.  Results From the study 63% of the head of the family had higher education(above 12 grade) . 33% were professionals. 95% lived in a nuclear family. 99% had good knowledge on the segregation and disposal of wastes. 90% gained the knowledge of segregation of wastes at the household level from the social media. But only 66% of them has a good practice score. Among those who practised, 80% had the practise of segregation of the wastes in different coloured bins. 36% had practise of preparing manure pit. 21% of the people burn plastics. 74% of the people were aware of the plastic ban .  Conclusion The study clearly depicts that even though the people had knowledge on segregation of the wastes many did not practice the segregation of the wastes.