Pain can be due to various reason, i need more info to better understand and help you out. Like wether you have nausea or constipation, difficulty in passing gas..
Next Steps
you can get done ultrasound whole abdomen and pelvis.
Health Tips
for now just for pain only you can use tab drotin m twice daily (means 1 tab in morning and 1 tab in night) after food. but better get done ultrasound to know the case and for better treatment