Delhi has achieved an impressive growth rate of 11.3 per cent in 2011-12 which was much above the national figure of 6.5 per cent, despite the slowdown in the overall economy of the country.Top officials in the Finance Department said, the government was confident of maintaining around 11 per cent growth rate in the current fiscal despite downward forecast for the economy in general.Officials said though the government had faced crunch in the financial year 2010-11 due to huge spending in the Commonwealth Games projects, the position has improved significantly as tax collection in 2011-12 was very impressive.The Delhi government has projected the economy of the city to grow at a rate of 11 to 11.5 per cent during the 12th Five Year Plan period. The growth rate of Delhi in the Eleventh Plan period was 11.46 per cent as compared to 7.9 per cent at the national level.