The Chairman of the Prime Minister's Economic Advisory Council Dr C Rangarajan says inflation is expected to ease to seven per cent by March next year.Delivering the 12th Hormis Memorial Foundation Commemorative Lecutre in Kochi, Dr Rangarajan said the extraordinarily high level of inflation seen in the last two years is due to certain severe supply constraints, particularly of agricultural products.He said strong growth is essential to provide employment to the youth and added that the coming decade is significant for the country, as India will transit from a low income to a middle income country.