You can also approach CAW cell (Crime Against Women) & handover your story in written format. They would help for mediation(?). If possible take her to marriage counselor & you too go with her.
The accused may approach the High Court u/S 482 Crpc to pray for quashing of the FIR.
Because you Have Evidence of CCTV footage and you said In 2016 she made similar case with ex-husband and settled for 625000 in High court as per documents.
this evidence may help you for quashing f.i.r.