Chennai has become the first city to have an online waste exchange for municipal solid waste. Residents who want to sell their waste online will be able to contact 2,600 scrap dealers and other agencies across the city. The Madras Waste Exchange, which is both a web portal and an application. Has been conceptualized by the Smart City Mission, with support from the Union Ministry of Housing and Urban Affairs. The web portal is https://www.madraswasteexchange.com/ Pilot launched Chennai Corporation Commissioner G.Prakash launched the pilot project of Madras Waste Exchange to facilitate buying and selling of waste in the city. The Corporation’s waste repository in Resource Recovery Centres and Micro Composting Centres will also be listed in the exchange for buyers to purchase from the civic body.