The most important of the agricultural tools being the plough, is referred to as Langala and Sira in ancient texts. It was made of hard wood like Khadira and Udumhara. Sira (plough) was attached Isa (pole) with a yuga (yoke) attached at its upper side. | The most important of the agricultural tools being the plough, is referred to as Langala and Sira in ancient texts. It was made of hard wood like Khadira and Udumhara. Sira (plough) was attached Isa (pole) with a yuga (yoke) attached at its upper side. |