i want to know about yoga exercise, can a patient

Sat Nam,

Yoga can help a person with stomach problems. You can try the sets in these links.

http://s3cr3ty0stg2.wpengine.com/newsletter/09-2008/yoga-acid-stomach.html

http://s3cr3ty0stg2.wpengine.com/hatha-yoga/locust-salabhasana.html

Blessings