Pain in Right Abdominal, Groin, Testicul

Hi Doctor, I have continuous pain from last 3 month in right lower abdominal and pain in groin area near pelvic along with right testicular I think it's bigger then left testicular and little hard copates to left and pain is there until right leg and pain from right back until groin area and right Abdominal pelvic and near belli button and I feel pain like itching inside body from right back to groin area , I did blood test , urine test and Sonography and all are normal nothing found in all test , I did Doppler eschography for testicular also and it was normal as per report , do you know what could.be the reason and nowdays the pain is more often it's not severe pain big it's making me discomfort Please suggest me what is the problem. I am currently out of India .