What type of Pranayam should I do to lose my weight and mental illness; I have schizophrenia and I can’t do postures because I have rods in my both hands and I can’t sit down due to joint replacement in one leg?

I am practicing a teaching where posture is not of primary importance. We focus on the pure life force energy (prana in its purest form) in our spiritual hearts and stay as awareness. This energy which is us at the deepest level is intelligent. It knows how to heal us...

Should I continue with my meditation when a trauma and a blockage comes up to the surface during my meditation? Should I just observe it an go on with my meditation? Or should I take that opportunity and use my power to heal it?

Go on with your meditation. Genuine meditation will result in the arising of the state of awareness. Remaining in awareness, in full acceptance with whatever comes up, letting it arise and then return to silence while maintaining focus on the object of the meditation...