Pune, Jul 3 (IANS): The World Bank's Economic Prospects Report has forecast India's economy to grow by 7.5 percent during this and the next two fiscals, retaining its top spot as the fastest-growing major economy. India's growth estimate is the brightest spot in a grim forecast for the world economy. The continuation of the National Democratic Alliance (NDA) government, led by Prime Minister Narendra Modi, augurs well for key sectors of the economy, including the renewable energy sector, which has been its focus area.