Suggest Remedy To Get Rid Of Corn On Sole Of Feet

I have a big corn on the sole of my feet since 1 year . I have got it surgically removed twice but it has re occurred again and this time in the whole area which operated for removing it. I Am taking homepathy medicine for last 3 months but looks like its of no use. It has become very difficult to walk in leather shoes now and I have to wear sports shoes everytime. Please advise