Most likely you are suffering from Acid Peptic Disoder. You need to take simple soft diet without spices. Antacid suspension/gel containing oxetacaine 10ml 4 times daily before taking food with Proton-pump inhibitors (PPIs)- omeprazole
20mg in the morning empty stomach will be helpful. If needed you can take extra dose of Proton-pump inhibitors in the evening empty stomach. Instead of Proton-pump inhibitors, you can take H2 receptor antagonists - renowned brand Ranitidine
(common brand name Zantac by Glaxo) 150mg morning and evening empty stomach may be used.