The final women's one-day international between England and India was abandoned without any play due to heavy rain at Lord's.
Charlotte Edwards' team were denied the chance of a 3-0 series whitewash after England won the previous two games, both held in Scarborough.
The 2-0 series win gives England five points towards qualification for the 2017 World Cup.
The International Cricket Council's top eight ranked women’s sides all play each other in three-match ODI series, either at home or away, over the next two years, with two points available for each match victory.
The top four teams in the final points table advance straight to the 2017 World Cup in England, while the bottom four take part in a further qualifier against teams from the ICC's regional structures to determine the final four participants for the event.
England's next assignment is a home three-match T20 series with South Africa at the start of September.