I am able to understand your concern. She seems to be suffering from depressive symptoms due to the stress. However more clarity is needed regarding the problem. I would be more than happy to help her. Some counselling and if needed medical help might be useful for her.
Next Steps
She would benefit from a psychiatric consultation. You can directly consult with me through Practo. Online chat consultation is also available.
Health Tips
She may need immediate professional assistance if suicidal.