Start with some antacids and get an ENT checkup

Take pantra dsr Syp mucaine gel 2 tsf bd Tab metaclopromide 1 od Take dis and avoid spicy food

Please consult physically for this problem

It is unlikely to be anything serious. Try anti reflux measures at home - avoid lying down immediately after meals, keep active, brisk walking, avoid carbonated drinks, avoid milk and milk products at night, avoid fried food and bakery items. Can use gelusil syrup twice a day, which will reduce gas formation in the stomach and the burping.