This document discusses various aspects of inflation including its causes, types, measurements, and facts. It defines inflation as a general increase in price levels and notes the main causes as demand-pull, cost-push, and structural factors. It outlines different types of inflation ranging from creeping inflation of under 3% annually to hyperinflation over 50% per month. The document also discusses how inflation is measured in India using the Consumer Price Index and Wholesale Price Index, and notes that India's current inflation rate is 5.05% annually.