Similar case filled in different court under same section

Since you have already filed the perjury case against her against both her false statements on oath in two different cases,  you may pursue the same without listening to misguiding issues. 

the offence of wilfully telling an untruth or making a misrepresentation under oath.

"She claimed two witnesses at her trial had committed perjury"

Firstly two suits against the same person in two different court is barred under sec 10 of CPC .
Section 10-Res-subjudice
The doctrine of “Res Sub Judice” emerges as a guiding principle to maintain the integrity of judicial proceedings . The term Sub-judice means ‘under a judge’ or in other words, a matter ‘under consideration’. It means a cause that is under trial or pending before a court or judge. The doctrine of res-judicata prevents the trial of a suit that is already pending in a court of competent jurisdiction. Res Sub Judice under CPC is a legal principle that prevents the simultaneous trial of two similar cases in different courts. If a matter is already under consideration in one court, a second court with similar jurisdiction cannot proceed with a case involving the same issues and parties.
As per the given query The conclusion drawn is  After getting a job evidences of your wife you can present that evidences in the same trial.