India's exports maintained their growth momentum in August, 2011, rising by 44.2 per cent year-on-year to 24.3 billion US dollars despite the economic woes in traditional Western markets, according to data released by the Commerce Ministry on Monday.Imports, too, grew by 41.8 per cent to 38.4 billion US dollars in August, translating into a trade deficit of 14 billion US dollars during the month, as per the data.However, Commerce Secretary Rahul Khullar has said that growth in coming months will be difficult on account of uncertainty in Western markets.