It is also known as Kataan in Varanasi, It is the purest, strongest, durable & extremely versatile Silk produced. It is made by twisting two strands of natural silk to create the yarn. This yarn finally used to create some unique durable fabric. The weaving technique of this fabric was imported from Persia (present day Iran) and introduced in India by Mogul Emperors. Silk is a naturally obtained animal product.