You are suffering from Acidity.
You should go for an Anti H.Pylori treatment which consists of Antibiotics,Bismuth and PPI like Rabeprazole/Pantaprazole.
Diet is very important.You should avoid spicy foods,fried foods,outside foods,cool drinks,coffee,tea etc.
Please do take an Ultrasound
abdomen to rule out any other pathology.
Wish you good health