Tussar Cocoons:
The unit of measurement of tussar cocoons is Kahan. Number of Cocoons per Kahan vary in different states. In MP one Kahan has 1000 cocoons while in Maharashtra it has 4000 Cocoons.
About 1200 cocoons are required to produce one kg of yarn.
ERI
The Eri cocoons are measured on the basis of weight ( kg)
MUGA
The Muga cocoons are transacted in thousand numbers. About 5000 cocoons are required to produce 1 kg of Muga Raw Silk.