Thanks for posting your query.
Past history of gastric & duodenal ulcers with presence of localized umbilical pain & flatus suggests persistence of gastric pathology.
These peptic ulcer disease
is due to Helicobacter pylori
Peptic ulcer disease may be in form of chronic gastritis
, fundal gastritis, nodular gastritis, follicular gastritis
and gastric & duodenal ulcer and adenocarcinoma of stomach.
You should again go for endoscopy and evaluate the status of upper gastrointestinal tract.
You should also avoid tomatoes, citrus fruits, tea & coffee, spicy and oily food.
Take soft diet with curd.
Dr. Mayank Bhargava