Jaggery which is popularly known as Gur in India, is not only used a sweet or sweetener. It is also in the creation of alcoholic beverages such as palm wine. Palm wine is known as kallu (in South India), palm toddy, or simply toddy / tadi (in North India).

source: http://en.wikipedia.org/wiki/Jaggery

http://en.wikipedia.org/wiki/Palm_wine