India has jumped 13 positions from last year to rank second among 30 developing countries this year on ease of doing business. According to 2016 Global Retail Development Index (GRDI), which ranks top 30 developing countries for retail investment worldwide, a pick up in GDP growth and better clarity regarding FDI regulations have helped India achieve a second ranking.India's retail sector has expanded at a compound annual growth rate of 8.8 per cent between 2013 and 2015, with annual sales crossing the USD 1 trillion mark, according to A T Kearney, a London-based business consultancy which brings out the GRD Index annually. The GRDI analyses 25 macroeconomic and retail-specific variables to help retailers devise successful global strategies to identify emerging market investment opportunities.