<b>Natural dyes extracted from bark of Bombax ceiba Linn locally known as semal and its application on various fabrics pretreated with eco-friendly and noneco-friendly mordant</b> Synthetic dyes are hazardous and carcinogenic and also release vast amount of pollutant in the environment emphasized for this purpose Many natural resources which are being wasted during their manufacturing thus revival of natural dyeing techniques as one of the alternative is being indiscriminately or thrown away as a waste product contain useful dyes and pigments In the present study, natural dye extracted from bark of Bombax ceiba Linn locally known as semal and its application on pre treated fabrics like Cotton, Wool, Silk and Nylon have been carried out successfully Different shades on various fabrics have been obtained Natural dyes, Bombax ceiba Linn, Mordant, Dyeing, Eco-friendly Issue-3 Volume-1 Dr.Yogesh Vadwala | Dr.Namrita Kola