The 2009 southwest monsoon recorded the third highest deficient
all India southwest monsoon season rainfall (-22% of LPA) during
the period 1901-2009. All the monsoon months except July
recorded large deficient rainfall. Region wise, except south
Peninsula, all other homogeneous regions recorded much below
normal rainfall. Activity of depression was below normal with

Following a unified approach, an objective criterion has been developed for the determination of yearwise onset and withdrawal dates of the summer monsoon over the 19 subregions across India.

Climate change is expected to affect the capacity and operations of existing water and sanitation infrastructure and services.

This paper applies the principles of water-use accounts, developed in the first of the series, to the Ganges river basin in South Asia. The Ganges basin covers six countries, the river rises in the western Himalayas in the Uttarakhand state of India, A unique feature is the strong seasonal variation in both precipitation and potential evaporation.

This document by national climate centre of IMD computes district wise drought probabilities across India for 319 districts having long data series of rainfall. Has done mapping for moderate & severe drought probabilities for various districts & demarcates regions belonging to different class intervals of probabilities of drought.