I need more information about the condition.
The exact place of pain and the nature of pain?
Any other symptoms like fever, loose motions, nausea, vomiting ?
I would advice you to consult me online on PRACTO .
The most common reasons of the symptoms you mentioned are gastritis, renal calculus, appendicitis, etc.
You need to do an USG, to confirm the diagnosis.
Next Steps
Consult me online on Practo.
Health Tips
Drink plenty of water as it me help somewhat in case of renal calculus and gastritis.