Dung Cakes made from the by-products of animal husbandry

Animal husbandry

Animal husbandry is the agricultural practice of breeding and raising livestock.- History :Animal husbandry has been practiced for thousands of years, since the first domestication of animals....

, are traditionally used as fuel in India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 for making food in a domestic hearth

Hearth

In common historic and modern usage, a hearth is a brick- or stone-lined fireplace or oven often used for cooking and/or heating. For centuries, the hearth was considered an integral part of a home, often its central or most important feature...

 called a Chulha. They are made by hand by village women and are traditionally made from cow or buffalo dung. One dung cake of an average Punjabi size gives 2100 KJ worth of energy. It is still used within the Punjab region

Punjab region

The Punjab , also spelled Panjab |water]]s"), is a geographical region straddling the border between Pakistan and India which includes Punjab province in Pakistan and the states of the Punjab, Haryana, Himachal Pradesh, Chandigarh and some northern parts of the National Capital Territory of Delhi...

. Nowadays it is available for trade.