Dhapa is a locality on the fringes of East Kolkata, India. The area consists of landfill sites where the solid wastes of the city of Kolkata are dumped. "Garbage farming" is encouraged in the landfill sites. More than 40 per cent of the green vegetables in the Kolkata markets come from these lands. There are four sectors in Dhapa for dumping garbage that are filled with 2,500 tonnes of waste per day.