The actress - best known for her role on Greek - has been cast as an attractive and intelligent "financial whiz", TVLine reports.
Her character Padma lands a job at NolCorp - the company owned by Nolan Ross (Gabriel Mann) - and may become personally involved with her new boss.
Vadsaria is expected to recur in multiple Revenge episodes. The 26-year-old's past TV credits include guest roles on Bones, CSI: Miami and NCIS.
Jennifer Jason Leigh (Single White Female) and Barry Sloane (Hollyoaks) have also signed up for roles in the second season of Revenge.
The drama series returns to ABC on September 30. In the UK, the Emily VanCamp thriller airs on E4.
> Revenge star Emily VanCamp 'so excited' for season two twist
> Revenge exec on season two: 'Paying off our finale will be hard'
Watch Digital Spy's interview with Revenge star Emily VanCamp below: