Jai Hind Colour Co. Manufactures Methylene Voilet Crystal Dyes. Jai Hind Colour Co. Manufactures customer dyes products in different economical packing and different quality and matching shades with symbol of its assurance of quality under its registered brand labels. The Methylene Voilet Crystal Dyes are used for Dyeing Woolen Yarn, Knitting Woolen Yarns, Dyeing of Silk, Dyeing of Rayon, Dyeing of Paper Marking Inks, Type Writer Ribbons and Dyeing Leather, Printing Dyeing of Jute, Coir Fibre, Piassava" Sisal, Straw and Direct Dyes.