With the initiation of new economic policy in1991andsubsequent reforms process, India has witnessed a change in the flow anddirection offoreigndirectinvestmentFDI into the country. This is mainly due to the removal of restrictiveandregulated practices.Foreigndirectinvestmentin India increased from US 129 millions in 1991-92 to US 40,885 million in March, 2005, an increase of about 316.9 times. However, the country is far behind in comparison to some of the developing countries like China. In so far as growth trend of FDI is concerned, there has been quite impressive growth of FDI inflow into the country during this period. However, negative growth rate is noticed during the period 1998-2000 primarily due to falling share of major investor countries, steep fall of approval by 55.7 in 1998 compared to 1997andslackening of fresh equity. However, traditional industrial sectors like food processing industries, textiles, etc. which were once important sectors attracting larger FDI, have given way to modern industrial sectors like electronicsandelectrical equipments, etc. In this paper analysis on the factors affecting potentialityandchallenges of FDI in the sectors like Economic Growth, Infrastructure, Retail Marketing.