Informal sector dominates the economic activities of the Asian Counties like India, Bangladesh, Nepal, Cambodia, Vietnam and China and so does informal learning. By looking at the percentage of the population occupied in the informal sector, especially street food vending, the present study attempts to unravel the ways in which knowledge and skills acquired in the informal sectors especially street food vending by the individuals. It is field based research. We have collected data for the research from major metropolitans in China, Thailand and India due to the presence of a large number of street food vendors.