(i) Composting: It is a process that involves decomposition of organic waste into humus known as compost which is a good fertilizer for the plants. (ii) Incineration: It is a process of controlled high temperature oxidation of primary organic compounds that release thermal energy and produce carbon dioxide and water. (iii) Segregation: The waste from residential areas, hotels and restaurants, office complex and commercial areas must be segregated at source into different categories of biodegradable and non-degradable waste, this process is called Segregation.