Poramboke is a term used in India to refer to a piece of land that is legally not fit for cultivation or any other usage. It is a term that is commonly used in Tamil Nadu. There are several other terms that are used as synonyms for the term Poramboke, such as 'Kadu', 'Kanmai', 'Kaavaai', 'Padikundu', and 'Sakalai'. All these terms indicate an area of land that has no value or utility. The term Poramboke is usually used by the government to refer to such lands, especially in urban areas. Though the term itself has a negative connotation, it is essential in identifying lands that cannot be used for any purpose.