I Have Stomach Gass Problem From Past Approx 2-3 Years.

     I have stomach Gass problem from past approx 2-3 years. Earlier it was miner and I suppose to take some home medicine. But from past 6-7 month its increased. And I did endoscopy from kameneni hospital Dignosex as " LAXLES Non -Erosive Pangastritis". Dr has told it's miner infection. Give some medicine " T. SOMPRAZ.D 40mg "for 60 days. I have completed the course. And recovered for that time But after a month again started same and
I consulted some other Dr. He again given some medicine for 2 Weak. Again for that period recovered. But after leaving the medicine started again. Now feeling minor pain here and there in Stomach. Doing yoga everyday. Not having outside food. No oily or spicy food at House. Morning Roti, curd. Evening simple Rice cury. Milk.
Today Consulted one more dr. He told Me that its " Gastric Ulcer" and prescribed for "T.Nexpro L " for 1 Month.
Is it H. pylori bacteria and "T.Nexpro L" will cure this