Hi
The line of treatment would be through Ayurveda-Yoga. This kind of intense approach will help to tackle schizophrenia. As of now start with pranayama. You can refer to my YouTube videos for the same. Take care.
Next Steps
Begin with pranayama routine for at least 20mins a day
Health Tips
Take care not to isolate the person from society and strictly avoid alcohol, tobacco and other narcotics