Prerana (also spelt prerna) is a Hindi/Sanskrit word which is derived from word "Prernah". It translation is "Inspiration" or "Stimulation" in English.
It is a very popular girl name in India, prevalent in Hinduism .
The name Prerna is the 68598th most popular baby name at mybabyname.com placing it in the top 95% of names by popularity.
References
Prerna Wikipedia(Text) CC BY-SA