According to your sign and symptom you are suffering from Gastro esophageal reflex disease or gastritis.
You should increase the intake of the water and observe that food intake which causes hyperacidity after eating that food.
Next Steps
you should go for some test like CBSE ESR and H pylori bacteria test and upper GI endoscopy to know the exact cause.
Health Tips
you should follow good life style like take sufficient amount of awater and take the less spicy and fatty food and do exercise regularly with yoga and meditation.