For the frequent changing of the modern fashion industry; the knowledge of different Culture and festivals from different society; around the world plays a very important role. Thus; this study is going to be resourceful for all the fashion researchers; who are constantly working by taking inspirations from different cultures; as well as the students who are looking for a creative and extensive career in fashion industry. In this study; author chiefly accentuated; on each of the “Bangladeshi Festivals”; which majorly dominates the Fashion Industry of this South Asian country. Considering Bangladesh; as a country that rich in cultures; the author mainly emphasized on 6 major Bangladeshi Festivals; among several others; that take place throughout the year ;(Bangla New year, Eid Ul Adha, Eid Ul Fitr, First Day of the Bangladeshi Season;“Spring”, The International Mother Language Day and The Victory Day). Author included a summarized description for each of the festivals regarding; the way of celebrating; from where readers can have a brief idea regarding different cultural aspects of Bangladesh to get inspired of; along with the local fashion business; during the festive periods; regarding the major differences in various sections; such as; color, fabric, motifs, Embellishments and the range of outfit categories; (differentiating in silhouettes, lengths or shapes both for Men and Women’s collection) and accessories etc. From this study; the fact is clear that although almost all kinds of western, fusion or ethnic outfits are accepted commonly by Bangladeshi consumers throughout the year; during the festive time; people mostly take a traditional get up by wearing a range of variety in fetching outfits. Considering its exotism; ‘Ethnic” style is considered one of the most influential categories in latest fashion market; thus; this study will noticeably prove a major source in the research sector of the current fashion world.