What Causes Abdominal Pain Along With Severe Acid Reflux?

I am Subhendu Kumar Pradhan, Age -27, weight 62kg. high 5fit.3 inch, I have been suffering gas problem since 2010. every day i have gas problem with bally pain. I have done all four times endoscopy and one time Colonoscopy and bacteria test came positive. Due to this i unable concentrate on my study properly and feel uncomfortable. i have taken s many medicine but its only for temporary relieve. I am also doing yoga, exercise and also used to dance. I want ur suggestion how to get relieve from pain and live in better.