What To Do For The Pain In The Head?

sir, i felt backward from chair 3 years back when i was in a residental school in hyderbad, and was LOC for few seconds, i got check up in care hospital in hyderbad... there was mild pain but no extenal injury.. i took x ray(cervical spine) and CT scan and EEg, but the report saw normal... From few weeks back im havin a mild pain and i m in delhi now, being a student i cant go there to check my health, so could you please refer me a good hospital here in delhi