Jamshedpur: The organic tussar silk produced in Kuchai-Kharsawan has now got patent, making Jharkhand the first state in India to obtain the same. The Jharkhand government had applied to a US-based firm, Onecert Asia, for the patent. The firm affiliated to Agriculture Produce Export Development Agency (OPEDA) gave its approval on October 13. Special secretary and director of handicraft, silk and handloom industry Dhirendra Kumar announced this at a news meet today. The patent would help increase the price of silk products such as threads and garments by 30-50 per cent.