The occurrences of some exceptionally very heavy rainfall during the recent years and causing flash floods in many areas forced to study the long term changes in extreme rainfall over India. The study includes the analysis of the frequency of rainy days, rain days and
heavy rainfall days as well as one-day extreme rainfall and return period analysis in order to observe the impact of climate changes on Extreme weather events and flood risk in India. The report will give some interesting findings which are very useful for hydrological planning and disaster managements. It has been found that frequency of heavy rainfall events are decreasing in major parts of
the central and north India while increasing in the peninsular India, east and north east India. Extreme rainfall and flood risk is increasing significantly particularly in many regions of the country except some
parts of central India.