Hi. Posture Anomaly has many causes. Its main cause may b due to Kyphosis(defect n abnormal bending of spine)
So to evaluate the real cause u need Spine n shoulder X rays(even MRI) to b done. Consult Orthopedic Dr n Physiologist who who will diagnose ur ailment n instruct u some helpful exercises.
Ayurvedic massage n panchkarma treatment works wonder in such cases. After assessment of diagnosis u could do panchkarma n exercises as guided by physiotherapist.
Next Steps
Consult me for any query n advice whenever u r in need
Health Tips
Exercise has no alternative. U must do Stretching exercises n oil massage regularly in order to avoid further deformity. Take healthy nutritious diet especially rich in
Calcium n Vit D. Go for ur blood test for Calcium , Vit D defiency so that if any found could b corrected.