Introduction to colouration of textiles. Colouring materials. Dye-Fibre interaction. Dyeing with direct dye. Dyeing with sulphur dye. Dyeing with reactive dye. Dyeing with reactive H-E dye. Dyeing with vat dye. Dyeing with indigo. Dyeing with solubilised vat dye. Dyeing with insoluble azoic colours. Dyeing with mineral colours. Dyeing with oxidation black. Dyeing with phthalocyanine dye. Dyeing with acid dye. Dyeing with metal-complex dye. Dyeing with basic dye. Dyeing with disperse dye. Colouration with pigments. Dyeing with natural dyes. Dyeing of silk. Dyeing of polyester. Dyeing of nylon. Dyeing of acrylic. Influence of fibre and dye structures in dyeing. Processing of micro-fibre. Dyeing of blend. Dyeing in supercritical carbon dioxide. Garment dyeing. Differential coloured effect in dyeing. Enzymatic dyeing of textiles. Synthesis of dye intermediates. Assessment of fastness of dyeings. Identification of dye class on cellulosics. Dyeing machineries. Wastewater problem in textile industry.