Hello Dear
Warm  welcome to HealthcareMagic
I have evaluated your query in details.
*Here are some best working remedies for your issue.
Prefer soft , light , bland , vegan diet till possible .
Consume more of whole grains , cereals , pulses , legumes , organic fresh fruits .Avoid  all oily , spicy , non veg , hot beverages , junk foods , carbonated drinks .Avoid over eating , prolong fasting. Avoid resting upto 2 hours after meals . Fix your timing of breakfast , lunch , dinner  till possible . Avoid late night parties , dinners . Keep the head end of the bed elevated for 30 degrees  when  resting .Have  regular walking in fresh air , exercises , YOGA .
Avoid smoking , alcohol if consuming .
Avoid stress , 
anxiety .
Manage  to have regular sound sleep of 8 hours .
Intake  of  
Proton pump inhibitors as 
Omeprazole or 
Pantoprazole on empty stomach 1 hour prior to lunch; antacid  syrups as  mylanta or others according to the  advise of your doctor  helps .
Keep your  BP , blood sugar , 
cholesterol , body  weight  under  control Later on may need  
ultrasound  or  upper  GI  
endoscopy according to the progress .
Hope this  will help you for sure.
Wishing you fine recovery.
Welcome for any further  guidance .
Regards 
Dr. Bhagyesh ( MS , FMAS - consultant surgeon )