Finance Minister Pranab Mukherjee today said the overall rate of price rise will moderate to around 6 to 7 percent by March, 2012. Mukherjee made the statement while commenting on a sharp fall in food inflation to 8 per cent for the week ended November 19 from 9.01 per cent in the previous week.Inflation in the overall primary articles category stood at 7.74 per cent during the week ended November 19, as against 9.08 per cent in the previous week.