Javed N. Sheikh is Assistant Professor in the Department of Textile and fibre engineering at I.I.T., Delhi. He completed his B.Tech. M.Tech. and Ph.D. (Tech.) in Fibres and Textile processing technology from the Institute of Chemical Technology (formerly UDCT/UICT), Mumbai. M. D. Teli is renowned Textile Chemical technologist from prestigious Institute of Chemical Technology (formerly UDCT) with experience of more than 40 years of Teaching, Research and Industrial consultation.