In Bagru process of printing, conventional printing methods are used. Traditional vegetable dye method is used for printing. The nail of the horseshoe that is rusted and old is used to make the black colour. Indigo leaves are used to make the blue colour. Madder root for red and turmeric for yellow is used. Before printing, these fabrics are treated with myrobalan. The tannic acid present in myrobalan makes black colour with the ferrous.