Prime Minister's Economic Advisory Council, PMEAC, Chairman C. Rangarajan has said that a hike in diesel prices is expected in the next two months. He, however, said that PMEAC's role is only to emphasise what needs to be done and the decision has to be taken by the government.In the Economic Outlook for 2012-13, the PMEAC had suggested that the government could raise diesel prices in one or more steps. The report said that priority consideration may be given to a suitable increase in the price of diesel, which is being sold at subsidised rates.Talking to Rajya Sabha TV, Mr Rangarajan also projected India's economic growth in the current fiscal at 6.7 per cent.