Landfills are coming up fast near large cities due to huge population growth and lack of using efficient and safe disposal method. As construction activities are very active,ie new colonies are being raised and construction units have become very active. These produce large quantities of waste stones ,pebbles bricks and wood waste. Mostly these are used as landfills. one can see heaps of landfills in the suburbs.
Additionally garbbage collected in most of the cities are also dumped outside the cities as there is lack of recycling units or space.