Which statements out of the following is incorrect?

Because In India, jute is mainly grown in West Bengal, Bihar, and Assam. And it is true that use of charkha was popularized by Mahatma Gandhi as a part of the independence movements. And to make fabric, the fibers are first converted into yarns. And Sufi saint Kabir was a poet and weaver. So statements (a), (c) and (d) are true and (b) is incorrect.