Acidity may b due ton you food habits, food patterns, may be too spicy and hot, eating very faster, may b less water, or may be acidic nature of body, 1st try to find out causes than consult with dietician in detail, base on your clinical history they will help you.
Next Steps
now start drink more water, walk, dont eat too a idic food, alkaline food diet will help you, for better understanding of diet plz consult with dietician or me.thanks.