Non mulberry silks such as Tussar, Muga and Eri are called Vanya silks.
Production Trends ( 2010-11)
Vanya Silk contributed to about 20% of the total raw silk in India.
Eri, Tussar and Muga contributed to about 64%, 33% and 3% of the total Vanya silk
It contributes to about 10% of the total exports of silk goods
Tussar Silk
Silk Worm : Antheraea mylitta and Antheraea proylei
Feed on: Asan, Arjun and Oak
India is the second largest producer or Tussar Silk
History: Ram's nuptial gift to Sita included Tussar Silk
Muga Silk
Silk Worm : Antheraea assamensis
Feed on: Som and Sualu
Use of Muga Yarn instead of Zari is finding its support in Indian Weavers