Lock Nagar in Chennai to be made model for source segregation of garbage Updated: Updated: February 17, 2021 12:57 IST The initiative is part of waste management company Urbaser Sumeet’s drive to make the TN Slum Clearance Board tenements litter free Share Article AAA IEC activities are being conducted at the tenements to create awareness about source segregation of garbage | Photo Credit: Special Arrangement The initiative is part of waste management company Urbaser Sumeet’s drive to make the TN Slum Clearance Board tenements litter free In a bid to create awareness about Solid Waste Management and source segregation, Urbaser Sumeet, the company that partially manages Chennai’s waste, has started using traditional arts: Therukoothu, Kattaikal, Thappattam and Oyilattam at the Tamil Nadu Slum Clearance Board (TNSCB) tenements.