Tech Mahindra — women employee harassment

Address: 560067

My wife is working in tech mahindra electronic city branch in nestle project.
We got married recently, and we are currently staying around 30 km from her office, my wife requested for project change, and she completed transition to new resource and but project manager ang hr are harassing her saying they will not allow to get release of the project. And hr is saying she will make her as absconding and she threatening.

Also heard the same hr is torturing other pregnant ladies also even though they are eligible for work from home / leave.