Unorganized sector occupies a vital place in employment and income generating activities for various unskilled or low skilled working populations of developing countries. As per estimate by (NSSO) about 93 per cent working population is engaged in unorganized sector of India. Street vendors are integral component of unorganized/informal sector of India. They are major source of various low cost articles to poor population or other section of society at leading cites of country. With entry of number of organized retailing industries and other changing economic parameters triggered by process of globalization, they face various challenges and constraints. In this paper attempt has been made to explore their requirements and challenges in respect to changing socio-economic parameters.