Impulsive buying is the habit of customers to buy goods and services without planning in advance. In impulsive buying customer takes decision without planning in advance, it is usually provoked by emotions and feelings. This paper examines the impulse-buying behaviour of working women purchasing fashion apparel in Guwahati city. The main factors which influence this behaviour have an interrelationship with impulse purchasing fashion apparel and may affect this behaviour, are: age, emotional state, store environment, and sales and promotions. Data for the study was gathered via an online questionnaire. The questionnaire was designed to gain deeper insights into impulse-buying behaviour among the working women.