Hello You don t need to read so many things please approach us for all.kind of health related issues we will definitely help you in best possible way Looking at your question it could be due to gastritis or acid peptic disease aerophagia ( swallowing of air) Indigestion or mal absorption I would like further information to help you better like Your age and complete.medical history are you having acid reflux or regurgitation your food habits in my opinion you should take omeprazole group of drugs with antacids have curd in lunch and a glass of milk before bed avoid fatty fried spicy and junk food or carbonated drinks say no to smoking and alcohol Hope this helps you follow up questions are most welcome regards.