Annual extreme rainfall series of 1-3 day durations at stations located inside the Indus basin in India were subjected to statistical analysis in order to estimate point Probable Maximum Precipitation (PMP) and maximum rainfall of different return periods for the durations of 1-3 days. Daily rainfall data of 210 stations ranging from 1901-2000 (with varying data length) has been considered for the present study. Rainfall distribution of the basin on seasonal and annual scale has been examined.